[CmdPal][UI Tests] Add basic test cases for cmdpal (#40694)

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fix/what does it change/how was it tested (even manually, if necessary)?
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## Summary of the Pull Request
1. Create some basic cmdpal test cases.
2. Add ui tests support for cmdpal modules.


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## PR Checklist

- [x] **Closes:** #40695
- [x] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [x] **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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## Detailed Description of the Pull Request / Additional comments

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---------

Co-authored-by: Yu Leng <yuleng@microsoft.com>

src/common/UITestAutomation/ModuleConfigData.cs

@@ -32,6 +32,7 @@ namespace Microsoft.PowerToys.UITest
         Runner,
         Workspaces,
         PowerRename,
+        CommandPalette,
     }
 
     /// <summary>
@@ -104,6 +105,7 @@ namespace Microsoft.PowerToys.UITest
                 [PowerToysModule.Runner] = new ModuleInfo("PowerToys.exe", "PowerToys"),
                 [PowerToysModule.Workspaces] = new ModuleInfo("PowerToys.WorkspacesEditor.exe", "Workspaces Editor"),
                 [PowerToysModule.PowerRename] = new ModuleInfo("PowerToys.PowerRename.exe", "PowerRename", "WinUI3Apps"),
+                [PowerToysModule.CommandPalette] = new ModuleInfo("Microsoft.CmdPal.UI.exe", "PowerToys Command Palette", "WinUI3Apps\\CmdPal"),
             };
         }