remove duplicate code.

native/Avalonia.Native/src/OSX/window.mm

@@ -1086,8 +1086,19 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
 - (bool) ignoreUserInput
 {
     auto parentWindow = objc_cast<AvnWindow>([self window]);
+    
     if(parentWindow == nil || ![parentWindow shouldTryToHandleEvents])
+    {
+        auto window = dynamic_cast<WindowImpl*>(_parent.getRaw());
+        
+        if(window != nullptr)
+        {
+            window->WindowEvents->GotInputWhenDisabled();
+        }
+        
         return TRUE;
+    }
+    
     return FALSE;
 }
 
@@ -1095,12 +1106,6 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
 {
     if([self ignoreUserInput])
     {
-        auto window = dynamic_cast<WindowImpl*>(_parent.getRaw());
-        
-        if(window != nullptr)
-        {
-            window->WindowEvents->GotInputWhenDisabled();
-        }
         return;
     }
     
@@ -1248,12 +1253,6 @@ NSArray* AllLoopModes = [NSArray arrayWithObjects: NSDefaultRunLoopMode, NSEvent
 {
     if([self ignoreUserInput])
     {
-        auto window = dynamic_cast<WindowImpl*>(_parent.getRaw());
-        
-        if(window != nullptr)
-        {
-            window->WindowEvents->GotInputWhenDisabled();
-        }
         return;
     }