[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

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

src/modules/launcher/Plugins/Community.PowerToys.Run.Plugin.UnitConverter/Main.cs

@@ -98,7 +98,7 @@ namespace Community.PowerToys.Run.Plugin.UnitConverter
                 PluginName = Name,
                 Title = Properties.Resources.context_menu_copy,
                 Glyph = "\xE8C8",
-                FontFamily = "Segoe MDL2 Assets",
+                FontFamily = "Segoe Fluent Icons,Segoe MDL2 Assets",
                 AcceleratorKey = Key.Enter,
                 Action = _ =>
                 {