Don't allow mouse repeats with switch

Author: kmcnaught

src/JuliusSweetland.OptiKey.Core/UI/ViewModels/MainViewModel.ServiceEventHandlers.cs

@@ -355,9 +355,14 @@ private void ProcessBasicKeyValue(KeyValue singleKeyValue)
 
             // Inject previous keyvalue if asked to repeat
             if (singleKeyValue.FunctionKey != null &&
-                singleKeyValue.FunctionKey == FunctionKeys.RepeatLastKeyAction)
-            {
-                singleKeyValue = lastKeyValueExecuted;
+                singleKeyValue.FunctionKey == FunctionKeys.RepeatLastKeyAction &&
+                SelectionMode == SelectionModes.Keys)
+            {        
+                // We could consider allowing this to repeat the last mouse action, or
+                // to repeat the original mouse-related key, but we're not sure how useful
+                // it would be
+                if (!lastMouseActionStateManager.LastMouseActionExists)
+                    singleKeyValue = lastKeyValueExecuted;
             }
 
             keyStateService.ProgressKeyDownState(singleKeyValue);