[PTRun]Fluent UX and switch to WpfUI (#28538)

* New design

* Updating icons

* Adding keywords

* Only show plugins when search query is empty

* Update App.xaml

* Update App.xaml

* Filter plugins

* Fix image name

* refresh plugins overview

* fix context menu icons in win10

* Remove unused animations

* Resolving crashing

* Fix focus visual and a11y

* Remove unused styles

* Revert "Remove unused styles"

This reverts commit 65f29ae6ed.

* Fix value generator light vs dark icon

* Fix tab characters

* Fix CI

* Update SettingsReader.cs

* Adding common OS check helper

* Update MainWindow.xaml.cs

* Fix background

* More tweaks

* XAML styler and updating legacy brushes

* Updates + xaml styling

* Fix CI

* Fix CI2

* fix font family and overview refresh

* Delete shutdown.light-1.png

* Updating icons

* Set DPI

---------

Co-authored-by: Davide Giacometti <davide.giacometti@outlook.it>

src/modules/launcher/Plugins/Microsoft.PowerToys.Run.Plugin.System/Components/ResultHelper.cs

@@ -79,7 +79,7 @@ namespace Microsoft.PowerToys.Run.Plugin.System.Components
                 {
                     AcceleratorKey = Key.C,
                     AcceleratorModifiers = ModifierKeys.Control,
-                    FontFamily = "Segoe MDL2 Assets",
+                    FontFamily = "Segoe Fluent Icons,Segoe MDL2 Assets",
                     Glyph = "\xE8C8",                       // E8C8 => Symbol: Copy
                     Title = Resources.Microsoft_plugin_sys_CopyDetails,
                     Action = _ => CopyToClipBoard(contextData.Data),
@@ -92,7 +92,7 @@ namespace Microsoft.PowerToys.Run.Plugin.System.Components
                 {
                     AcceleratorKey = Key.Delete,
                     AcceleratorModifiers = ModifierKeys.Shift, // Shift+Delete is the common key for deleting without recycle bin
-                    FontFamily = "Segoe MDL2 Assets",
+                    FontFamily = "Segoe Fluent Icons,Segoe MDL2 Assets",
                     Glyph = "\xE74D",                       // E74D => Symbol: Delete
                     Title = Resources.Microsoft_plugin_sys_RecycleBin_contextMenu,
                     Action = _ =>