fix: grading settings save button stuck in pending state

Author: Anas12091101

src/grading-settings/GradingSettings.jsx

@@ -81,13 +81,14 @@ const GradingSettings = ({ courseId }) => {
 
   useEffect(() => {
     if (savingStatus) {
-      setShowSuccessAlert(!showSuccessAlert);
-      setShowSavePrompt(!showSavePrompt);
+      setShowSuccessAlert(true);
+      setShowSavePrompt(false);
+      setIsQueryPending(false);
+
       setTimeout(() => setShowSuccessAlert(false), 15000);
-      setIsQueryPending(!isQueryPending);
       window.scrollTo({ top: 0, behavior: 'smooth' });
     }
-  }, [savePending]);
+  }, [savingStatus]);
 
   if (isLoadingDenied) {
     return (