Do not default bind two hotkeys to the same key combination.

Author: SuuperW

src/BizHawk.Client.Common/config/Binding.cs

@@ -1,4 +1,7 @@
 using System.Collections.Generic;
+#if DEBUG
+using System.Diagnostics;
+#endif
 using System.Linq;
 
 namespace BizHawk.Client.Common
@@ -132,7 +135,7 @@ void Bind(string tabGroup, string displayName, string defaultBinding = "", strin
 			Bind("TAStudio", "Delete Branch", "Alt+Delete");
 			Bind("TAStudio", "Show Cursor");
 			Bind("TAStudio", "Toggle Follow Cursor", "Shift+F");
-			Bind("TAStudio", "Toggle Auto-Restore", "Shift+R");
+			Bind("TAStudio", "Toggle Auto-Restore", "Alt+R");
 			Bind("TAStudio", "Seek To Green Arrow", "R");
 			Bind("TAStudio", "Toggle Turbo Seek", "Shift+S");
 			Bind("TAStudio", "Undo", "Ctrl+Z"); // TODO: these are getting not unique enough
@@ -198,6 +201,15 @@ void Bind(string tabGroup, string displayName, string defaultBinding = "", strin
 
 			AllHotkeys = dict;
 			Groupings = dict.Values.Select(static info => info.TabGroup).Distinct().ToList();
+
+#if DEBUG
+			var bindings = dict.Values
+				.Where(static info => !info.DisplayName.StartsWith("RA ") && !string.IsNullOrEmpty(info.DefaultBinding))
+				.Select(static info => info.DefaultBinding);
+#pragma warning disable MA0031 // Optimize Enumerable.Count() usage
+			Debug.Assert(bindings.Count() == bindings.Distinct().Count(), "Do not default bind multiple hotkeys to the same button combination.");
+#pragma warning restore MA0031 // Optimize Enumerable.Count() usage
+#endif
 		}
 
 		public static void ResolveWithDefaults(IDictionary<string, string> dict)