common: refactor common library pt2 (#8588)

- remove common lib
- split settings, remove common-md
- move ipc interop/kb_layout to interop
- rename core -> settings, settings -> old_settings
- os-detect header-only; interop -> PowerToysInterop
- split notifications, move single-use headers where they're used
- winstore lib
- rename com utils
- rename Updating and Telemetry projects
- rename core -> settings-ui and remove examples folder
- rename settings-ui folder + consisent common/version include

src/settings-ui/Microsoft.PowerToys.Settings.UI.Library/ImageresizerSizes.cs

@@ -0,0 +1,40 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.ObjectModel;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Microsoft.PowerToys.Settings.UI.Library
+{
+    public class ImageResizerSizes
+    {
+        // Suppressing this warning because removing the setter breaks
+        // deserialization with System.Text.Json. This affects the UI display.
+        // See: https://github.com/dotnet/runtime/issues/30258
+        [JsonPropertyName("value")]
+#pragma warning disable CA2227 // Collection properties should be read only
+        public ObservableCollection<ImageSize> Value { get; set; }
+#pragma warning restore CA2227 // Collection properties should be read only
+
+        public ImageResizerSizes()
+        {
+            Value = new ObservableCollection<ImageSize>();
+        }
+
+        public ImageResizerSizes(ObservableCollection<ImageSize> value)
+        {
+            Value = value;
+        }
+
+        public string ToJsonString()
+        {
+            var options = new JsonSerializerOptions
+            {
+                WriteIndented = true,
+            };
+            return JsonSerializer.Serialize(this, options);
+        }
+    }
+}