🐛(frontend) remove padding from ul in left panel favorites

We recently change from a div to a ul for better semantics.
ul include by default padding, we remove it to
align with the design.

src/frontend/apps/impress/src/features/left-panel/components/LeftPanelFavorites.tsx

@@ -49,6 +49,7 @@ export const LeftPanelFavorites = () => {
           hasMore={docs.hasNextPage}
           isLoading={docs.isFetchingNextPage}
           next={() => void docs.fetchNextPage()}
+          $padding="none"
         >
           {favoriteDocs.map((doc) => (
             <LeftPanelFavoriteItem key={doc.id} doc={doc} />