fix: disable adding same embedded url in onAddBox

packages/web/components/Profile/EmbeddedUrlSection.tsx

@@ -162,6 +162,7 @@ const LinkPreview: React.FC<LinkPreviewProps> = ({
             backgroundImage: `url(${image})`,
             height: 'auto',
             flex: 1,
+            minH: '12rem',
             width: '100%',
             backgroundSize: 'cover',
             backgroundRepeat: 'no-repeat',

packages/web/pages/player/[username].tsx

@@ -313,6 +313,10 @@ export const Grid: React.FC<Props> = ({ player }): ReactElement => {
 
   const onAddBox = useCallback(
     (boxType: BoxType, boxMetadata: BoxMetadata): void => {
+      const boxKey = getBoxKey(boxType, boxMetadata);
+      if (currentLayoutItems.find((item) => item.boxKey === boxKey)) {
+        return;
+      }
       const layoutData = {
         layouts: addBoxToLayouts(boxType, boxMetadata, currentLayouts),
         layoutItems: [