[Settings][runner]Quick access system tray launcher (#22408)

* Init

* Fix running settings

* UI design

* Left click trigger
Wire up colorpicker and pt run

* Wire up others

* Update FlyoutWindow.xaml.cs

* Removed comments

* Update FlyoutWindow.xaml

* More work

* Open Settings page

* More UI work

* Resolve conflicts

* [General] SystemTray Flyout: Add update on tray items' visibility when module gets enabled/disabled
Also remove context menu opening on tray icon.

* Adding app list

* Adding more buttons, resolving conflicts

* [General] Flyout: improving opening, closing flyout/settings window. Implementing basic bahaviour on enabling/disabling modules.

* [General] FlyoutWindow: proceed with implementation. GPO works. Main functionallity works (launching and enabling apps).

* [general] flyout: fix exit button

* [general] flyout: implement double click handling

* Localization

* [Generel] Flyout: Re-implement flyout launching, add workaround: disable flyout hiding in case the user switches on modules on the all apps page
+ minor changes

* [general] flyout: restore the context menu when right clicking on system tray icon

* Fix spellchecker

* [installer] fixing missing dll files + suppress error on not signed script

* Fix spell checker

* Fix flyout not focusing when activated

* Refresh Settings UI enabled state when flyout changes

* fix spellcheck

* Remove VCM from the list

* [General] flyout: fix settings window opening. Switch to general page only if there is no page opened

* [general] flyout: add launching hosts app

* Fix CI build

* adding check on elevation when launching hosts

* Use localization strings that already exist

* Remove dll not present in arm64 build

* Adding GPO policy check for the launcher page items

* fix hosts launching

* Add telemetry

* Also hide from all apps list when gpo is force enabling

* fix spellchecker

* Improve focus issues

* Fix flickering Bitmap Icons

* Fix telemetry error

* Fix telemetry call

* Fix wrong comment

---------

Co-authored-by: Stefan Markovic <stefan@janeasystems.com>
Co-authored-by: Laszlo Nemeth <laszlo.nemeth.hu@gmail.com>
Co-authored-by: Jaime Bernardo <jaime@janeasystems.com>

src/settings-ui/Settings.UI/FlyoutWindow.xaml

@@ -0,0 +1,32 @@
+<winuiex:WindowEx
+    x:Class="Microsoft.PowerToys.Settings.UI.FlyoutWindow"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:flyout="using:Microsoft.PowerToys.Settings.UI.Flyout"
+    xmlns:local="using:Microsoft.PowerToys.Settings.UI"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:winuiex="using:WinUIEx"
+    Title="PowerToys Settings"
+    IsAlwaysOnTop="True"
+    IsMaximizable="False"
+    IsMinimizable="False"
+    IsResizable="False"
+    IsShownInSwitchers="False"
+    IsTitleBarVisible="False"
+    mc:Ignorable="d">
+    <winuiex:WindowEx.Backdrop>
+        <winuiex:AcrylicSystemBackdrop
+            DarkFallbackColor="#1c1c1c"
+            DarkLuminosityOpacity="0.96"
+            DarkTintColor="#202020"
+            DarkTintOpacity="0.5"
+            LightFallbackColor="#EEEEEE"
+            LightLuminosityOpacity="0.90"
+            LightTintColor="#F3F3F3"
+            LightTintOpacity="0" />
+    </winuiex:WindowEx.Backdrop>
+    <Grid>
+        <flyout:ShellPage x:Name="FlyoutShellPage"/>
+    </Grid>
+</winuiex:WindowEx>