Improve multi-controller support in HID and Controller Applet (#1453)

* Initial commit

Enable proper LED patterns
Toggle Hotkeys only on focus
Ignore Handheld on Docked mode
Remove PrimaryController
Validate NpadIdType
Rewrite NpadDevices to process config in update loop
Cleanup

* Notify in log periodically when no matched controllers

* Remove duplicate StructArrayHelpers in favor of Common.Memory

Fix struct padding CS0169 warns in Touchscreen

* Remove GTK markup from Controller Applet

Use IList instead of List
Explicit list capacity in 1ms loop
Fix formatting

* Restrict ControllerWindow to show valid controller types

Add selected player name to ControllerWindow title

* ControllerWindow: Fix controller type initial value

NpadDevices: Simplify default battery charge

* Address AcK's comments

Use explicit types and fix formatting

* Remove HashSet for SupportedPlayers

Fixes potential exceptions due to race

* Fix ControllerSupportArg struct packing

Also comes with two revisions of struct for 4/8 players max.

Ryujinx.HLE/Switch.cs

@@ -114,6 +114,10 @@ namespace Ryujinx.HLE
             System.GlobalAccessLogMode = ConfigurationState.Instance.System.FsGlobalAccessLogMode;
 
             ServiceConfiguration.IgnoreMissingServices = ConfigurationState.Instance.System.IgnoreMissingServices;
+
+            // Configure controllers
+            Hid.RefreshInputConfig(ConfigurationState.Instance.Hid.InputConfig.Value);
+            ConfigurationState.Instance.Hid.InputConfig.Event += Hid.RefreshInputConfigEvent;
         }
 
         public static IntegrityCheckLevel GetIntegrityCheckLevel()
@@ -177,6 +181,8 @@ namespace Ryujinx.HLE
         {
             if (disposing)
             {
+                ConfigurationState.Instance.Hid.InputConfig.Event -= Hid.RefreshInputConfigEvent;
+
                 System.Dispose();
                 Host1x.Dispose();
                 AudioOut.Dispose();