bug fixed: imgui rendered inside the event loop

the closing bracket for the event loop was misplaced and the imgui
render got inside the event loop

SakuraCore/src/Application.cpp

@@ -133,6 +133,7 @@ void Application::Run() {
                     }
                 }
             }
+        }
 
         // Rendering
         m_ImGui->Begin();
@@ -149,7 +150,6 @@ void Application::Run() {
 
         SDL_RenderPresent(m_Renderer);
     }
-    }
 }
 
 void Application::Shutdown() {