Advanced Paste: No cache for foundry local model list (#43716)

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fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
Cache of the downloaded model will make the newly added model only work
after running of powertoys, this disable the cache, so just downloaded
model will take effect immediately

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## PR Checklist

- [ ] Closes: #xxx
<!-- - [ ] Closes: #yyy (add separate lines for additional resolved
issues) -->
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

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or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
Validated locally

src/settings-ui/Settings.UI/SettingsXAML/Views/AdvancedPastePage.xaml.cs

@@ -82,7 +82,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
         {
             ViewModel.RefreshEnabledState();
             UpdatePasteAIUIVisibility();
-            _ = UpdateFoundryLocalUIAsync(refreshFoundry: true);
+            _ = UpdateFoundryLocalUIAsync();
         }
 
         private void EnableAdvancedPasteAI() => ViewModel.EnableAI();
@@ -384,7 +384,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             }
         }
 
-        private Task UpdateFoundryLocalUIAsync(bool refreshFoundry = false)
+        private Task UpdateFoundryLocalUIAsync()
         {
             string selectedType = ViewModel?.PasteAIProviderDraft?.ServiceType ?? string.Empty;
             bool isFoundryLocal = string.Equals(selectedType, "FoundryLocal", StringComparison.OrdinalIgnoreCase);
@@ -419,12 +419,12 @@ namespace Microsoft.PowerToys.Settings.UI.Views
                 PasteAIProviderConfigurationDialog.IsPrimaryButtonEnabled = false;
             }
 
-            FoundryLocalPicker?.RequestLoad(refreshFoundry);
+            FoundryLocalPicker?.RequestLoad();
 
             return Task.CompletedTask;
         }
 
-        private async Task LoadFoundryLocalModelsAsync(bool refresh = false)
+        private async Task LoadFoundryLocalModelsAsync()
         {
             if (FoundryLocalPanel is null)
             {
@@ -456,9 +456,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
                     return;
                 }
 
-                IEnumerable<ModelDetails> cachedModelsEnumerable = refresh
-                    ? await provider.GetModelsAsync(ignoreCached: true, cancelationToken: cancellationToken)
-                    : await provider.GetModelsAsync(cancelationToken: cancellationToken);
+                IEnumerable<ModelDetails> cachedModelsEnumerable = await provider.GetModelsAsync(cancelationToken: cancellationToken).ConfigureAwait(false);
 
                 if (cancellationToken.IsCancellationRequested)
                 {
@@ -467,9 +465,12 @@ namespace Microsoft.PowerToys.Settings.UI.Views
 
                 var cachedModels = cachedModelsEnumerable?.ToList() ?? new List<ModelDetails>();
 
-                UpdateFoundryCollections(cachedModels);
-                ShowFoundryAvailableState();
-                RestoreFoundrySelection(cachedModels);
+                DispatcherQueue.TryEnqueue(() =>
+                {
+                    UpdateFoundryCollections(cachedModels);
+                    ShowFoundryAvailableState();
+                    RestoreFoundrySelection(cachedModels);
+                });
             }
             catch (OperationCanceledException)
             {
@@ -478,12 +479,18 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             catch (Exception ex)
             {
                 var errorMessage = $"Unable to load Foundry Local models. {ex.Message}";
-                ShowFoundryUnavailableState(errorMessage);
                 System.Diagnostics.Debug.WriteLine($"[AdvancedPastePage] Failed to load Foundry Local models: {ex}");
+                DispatcherQueue.TryEnqueue(() =>
+                {
+                    ShowFoundryUnavailableState(errorMessage);
+                });
             }
             finally
             {
-                UpdateFoundrySaveButtonState();
+                DispatcherQueue.TryEnqueue(() =>
+                {
+                    UpdateFoundrySaveButtonState();
+                });
             }
         }
 
@@ -672,9 +679,9 @@ namespace Microsoft.PowerToys.Settings.UI.Views
             UpdateFoundrySaveButtonState();
         }
 
-        private async void FoundryLocalPicker_LoadRequested(object sender, FoundryLocalModelPicker.FoundryLoadRequestedEventArgs args)
+        private async void FoundryLocalPicker_LoadRequested(object sender)
         {
-            await LoadFoundryLocalModelsAsync(args?.Refresh ?? false);
+            await LoadFoundryLocalModelsAsync();
         }
 
         private sealed class FoundryDownloadableModel : INotifyPropertyChanged
@@ -1089,7 +1096,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
                 PasteAIProviderConfigurationDialog.Title = $"{displayName} provider configuration";
             }
 
-            await UpdateFoundryLocalUIAsync(refreshFoundry: true);
+            await UpdateFoundryLocalUIAsync();
             UpdatePasteAIUIVisibility();
             RefreshDialogBindings();
 
@@ -1118,7 +1125,7 @@ namespace Microsoft.PowerToys.Settings.UI.Views
                 : $"{titlePrefix} provider configuration";
 
             UpdatePasteAIUIVisibility();
-            await UpdateFoundryLocalUIAsync(refreshFoundry: false);
+            await UpdateFoundryLocalUIAsync();
             RefreshDialogBindings();
             PasteAIApiKeyPasswordBox.Password = ViewModel.GetPasteAIApiKey(provider.Id, provider.ServiceType);
             await PasteAIProviderConfigurationDialog.ShowAsync();