[QuickAccent]Add setting to select language (#20798)

* add selection of country langages

* Add Greek and Iceland countries

* Update src/modules/poweraccent/PowerAccent.Core/PowerAccent.Core.csproj

* fix ß in all section

* remove greek

* improve UI

* langage to language

* remove GR reference

* change 'All' to 'All available'

* adding Romanian and Hungarian

* Missing characters

* Add Italian

* Fix translation key
Remove GameMode activation

* Fix PR build issues

* Callback to get if a letter is part of the language

* Add additional dlls to installer

* Fix new dlls signing

* Fix spelling

* Add description to language selection

Co-authored-by: Damien LEROY <dleroy@veepee.com>

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

@@ -18,11 +18,15 @@ namespace Microsoft.PowerToys.Settings.UI.Library
         [JsonPropertyName("input_time_ms")]
         public IntProperty InputTime { get; set; }
 
+        [JsonPropertyName("selected_lang")]
+        public StringProperty SelectedLang { get; set; }
+
         public PowerAccentProperties()
         {
             ActivationKey = PowerAccentActivationKey.Both;
             ToolbarPosition = "Top center";
             InputTime = new IntProperty(200);
+            SelectedLang = "ALL";
         }
     }
 }