fix: gamepads have the same name (#27)

When connecting multiple controllers of the same model, the first device's name ends with (0), the second with (1), the third with (1), the fourth with (1), and so on. To ensure these names are truly unique, GetUniqueGamepadName is now called recursively.

Before:
![image](/attachments/c27ab407-0945-48d8-92a8-6f1fe7fb2727)

After:
![image](/attachments/da7b1427-958c-45d5-8351-6f977d971e1e)

Reviewed-on: https://git.ryujinx.app/projects/Ryubing/pulls/27

src/Ryujinx/UI/ViewModels/Input/InputViewModel.cs

@@ -574,7 +574,7 @@ namespace Ryujinx.Ava.UI.ViewModels.Input
                 if (Devices.Any(controller => controller.Name == name))
                 {
                     controllerNumber++;
-                    name = GetGamepadName(gamepad, controllerNumber);
+                    name = GetUniqueGamepadName(gamepad, ref controllerNumber);
                 }
 
                 return name;