Ava UI: Input Menu Refactor (#5826)

* Refactor

* Apply suggestions from code review

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update src/Ryujinx/UI/Views/Settings/SettingsHotkeysView.axaml.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Update src/Ryujinx.Input/ButtonValueType.cs

Co-authored-by: Ac_K <Acoustik666@gmail.com>

* Add empty line

* Requested renames

* Update src/Ryujinx/UI/Views/Settings/SettingsHotkeysView.axaml.cs

Co-authored-by: gdkchan <gab.dark.100@gmail.com>

* Make parent models private readonly

* Fix ControllerInputView

* Make line shorter

* Mac keys in locale

* Double line break

* Fix build

* Get rid of _isValid

* Fix potential race condition

* Rename HasAnyButtonPressed to IsAnyButtonPressed

* Use switches

* Simplify enumeration

---------

Co-authored-by: Ac_K <Acoustik666@gmail.com>
Co-authored-by: gdkchan <gab.dark.100@gmail.com>
Co-authored-by: TSR Berry <20988865+TSRBerry@users.noreply.github.com>

src/Ryujinx/UI/Views/Settings/SettingsInputView.axaml.cs

@@ -11,7 +11,7 @@ namespace Ryujinx.Ava.UI.Views.Settings
 
         public void Dispose()
         {
-            ControllerSettings.Dispose();
+            InputView.Dispose();
         }
     }
 }