[HOTFIX] fix(api): Sync playlist both ways by sending two requests (#75)

Author: yoyozbi

frontend/src/composables/useSync.ts

@@ -6,10 +6,13 @@ export const runSync = defineMutation(() => {
 	const toast = useToast();
 	const mutation = useMutation({
 		mutation: async (playlist_sync_id: number) => {
-			const res = await client.POST("/api/playlists-sync/{playlist_sync_id}", {
+			const res1 = await client.POST("/api/playlists-sync/{playlist_sync_id}", {
+				params: { path: { playlist_sync_id }, query: { inverse: false } },
+			});
+			const res2 = await client.POST("/api/playlists-sync/{playlist_sync_id}", {
 				params: { path: { playlist_sync_id }, query: { inverse: true } },
 			});
-			return res.data;
+			return [res1.data, res2.data];
 		},
 		onSuccess: () => {
 			toast.add({