fix: reorder mac transparent window check in useNavBackgroundColor hook

- Moved the check for macTransparentWindow to ensure it is evaluated after minappShow, maintaining the intended logic for background color selection.

src/renderer/src/hooks/useNavBackgroundColor.ts

@@ -11,14 +11,14 @@ function useNavBackgroundColor() {
 
   const macTransparentWindow = isMac && windowStyle === 'transparent'
 
-  if (macTransparentWindow) {
-    return 'transparent'
-  }
-
   if (minappShow) {
     return theme === 'dark' ? 'var(--navbar-background)' : 'var(--color-white)'
   }
 
+  if (macTransparentWindow) {
+    return 'transparent'
+  }
+
   return 'var(--navbar-background)'
 }