fix: Window size blink while starting the window

Author: Losses

lib/main.dart

@@ -181,12 +181,14 @@ void main(List<String> arguments) async {
     }
   }
 
+  if (!Platform.isLinux) {
+    appWindow.size = windowSize;
+  }
+
   if (Platform.isLinux) {
     windowSize = windowSize / firstView.devicePixelRatio;
   }
 
-  appWindow.size = windowSize;
-
   mainLoop();
   appWindow.show();