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/HOS/Horizon.cs

@@ -249,6 +249,9 @@ namespace Ryujinx.HLE.HOS
                 AppletState.EnqueueMessage(MessageInfo.OperationModeChanged);
                 AppletState.EnqueueMessage(MessageInfo.PerformanceModeChanged);
                 SignalDisplayResolutionChange();
+
+                // Reconfigure controllers
+                Device.Hid.RefreshInputConfig(ConfigurationState.Instance.Hid.InputConfig.Value);
             }
         }