Fix of a dubled function

Web/app.py

@@ -10375,11 +10375,24 @@ def my_borrowed_items():
 
 @app.route('/api/push/vapid-key', methods=['GET'])
 def get_vapid_key():
-    """Returns the VAPID public key for web push subscriptions."""
+    """
+    Returns the VAPID public key for web push subscriptions
+    """
     from Web.push_notifications import _get_vapid_public
-    if not _get_vapid_public():
+    if 'username' not in session:
-        return jsonify({'error': 'VAPID public key not configured'}), 500
+        return jsonify({'success': False, 'error': 'Not authenticated'}), 401
-    return jsonify({'publicKey': _get_vapid_public()})
+
+    try:
+        if not _get_vapid_public():
+            return jsonify({'success': False, 'error': 'VAPID public key not configured'}), 500
+
+        return jsonify({
+            'success': True,
+            'publicKey': _get_vapid_public()
+        })
+    except Exception as e:
+        app.logger.error(f'Error getting VAPID key: {e}')
+        return jsonify({'success': False}), 500
 
 @app.route('/notifications')
 def notifications_view():
@@ -12225,32 +12238,6 @@ def get_push_subscriptions():
         app.logger.error(f'Error getting push subscriptions: {e}')
         return jsonify({'success': False}), 500
 
-
-@app.route('/api/push/vapid-key', methods=['GET'])
-def get_vapid_key():
-    """
-    Get the VAPID public key for push notifications
-    Used by the service worker to communicate with push service
-    """
-    try:
-        vapid_key = pn.VAPID_PUBLIC_KEY
-        if not vapid_key:
-            app.logger.warning('VAPID_PUBLIC_KEY not configured')
-            return jsonify({
-                'success': False,
-                'error': 'Push notifications not configured on server'
-            }), 501
-        
-        return jsonify({
-            'success': True,
-            'vapid_key': vapid_key
-        })
-        
-    except Exception as e:
-        app.logger.error(f'Error getting VAPID key: {e}')
-        return jsonify({'success': False}), 500
-
-
 @app.route('/api/push/test', methods=['POST'])
 def test_push_notification():
     """