Issue #576 User can no longer enter exclusive fullscreen mode during Editor mode, but can enter fullscreen when in Play Mode.

Source/AtomicEditor/Application/AEEditorApp.cpp

@@ -76,6 +76,11 @@ void AEEditorApp::Setup()
 
     AEEditorCommon::Setup();
 
+    // Ensure exclusive fullscreen is disabled in Editor application
+    Input* input = GetSubsystem<Input>();
+    input->SetToggleFullscreen(false);
+
+
     ToolEnvironment* env = GetSubsystem<ToolEnvironment>();
 
     engineParameters_["WindowTitle"] = "AtomicEditor";