Refactor SupabaseConnectionTest component

The SupabaseConnectionTest component was refactored into smaller, more manageable components to improve readability and maintainability.

src/components/supabase/TestResultItem.tsx

@@ -0,0 +1,20 @@
+
+import React from 'react';
+
+interface TestResultItemProps {
+  label: string;
+  success: boolean;
+}
+
+const TestResultItem: React.FC<TestResultItemProps> = ({ label, success }) => {
+  return (
+    <div className="flex justify-between">
+      <span className="font-medium">{label}:</span>
+      <span className={success ? 'text-green-500' : 'text-red-500'}>
+        {success ? '✅ 성공' : '❌ 실패'}
+      </span>
+    </div>
+  );
+};
+
+export default TestResultItem;