[Run] UI improvements + ability to show/hide plugins overview panel (#30258)

* Add setting to show/hide plugin keywords in Run

* Increasing fontsize and spacing

* Removing tooltip prefixes

* Tweaks and making sure the window gets smaller when plugins overview is disabled

* Label updates for Settings

* Updating UI

* Fix number of results height

* Centering textbox

* Adding tooltip to keyword

* Selection highlight + dark theme tweaks

* Change order and fix CI

* Update expect.txt

* Add option to select only non-global plugins preview

* Fix typos

---------

Co-authored-by: Stefan Markovic <stefan@janeasystems.com>

src/settings-ui/Settings.UI.Library/PowerLauncherProperties.cs

@@ -48,6 +48,9 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         [JsonPropertyName("theme")]
         public Theme Theme { get; set; }
 
+        [JsonPropertyName("show_plugins_overview")]
+        public int ShowPluginsOverview { get; set; }
+
         [JsonPropertyName("startupPosition")]
         public StartupPosition Position { get; set; }
 
@@ -107,6 +110,7 @@ namespace Microsoft.PowerToys.Settings.UI.Library
             SearchWaitForSlowResults = false;
             GenerateThumbnailsFromFiles = true;
             UsePinyin = false;
+            ShowPluginsOverview = 0;
         }
     }
 }