Fix missing query keys

src/apps/experimental/features/libraries/components/LibraryToolbar.tsx

@@ -67,6 +67,10 @@ const LibraryToolbar: FC = () => {
     const { user } = useApi();
     const canCreateCollections = user?.Policy?.IsAdministrator || user?.Policy?.EnableCollectionManagement;
 
+    // The query key for all items for the current user.
+    // This should be used to invalidate queries that affect multiple parents, such as collections and playlists.
+    const allItemsQueryKey = useMemo(() => ['User', user?.Id, 'Items'], [user?.Id]);
+
     // Pagination
     const startIndex = viewSettings?.StartIndex ?? 0;
     const { libraryPageSize: paginationLimit } = useUserSettings();
@@ -148,8 +152,12 @@ const LibraryToolbar: FC = () => {
                             )}
                         </ButtonGroup>
 
-                        {isBtnNewCollectionEnabled && canCreateCollections && <NewCollectionButton isTextVisible={isSmallScreen} />}
-                        {isBtnNewPlaylistEnabled && <NewPlaylistButton isTextVisible={isSmallScreen} />}
+                        {isBtnNewCollectionEnabled && canCreateCollections && (
+                            <NewCollectionButton isTextVisible={isSmallScreen} queryKey={allItemsQueryKey} />
+                        )}
+                        {isBtnNewPlaylistEnabled && (
+                            <NewPlaylistButton isTextVisible={isSmallScreen} queryKey={allItemsQueryKey} />
+                        )}
                     </>
                 )}
             </Box>