Add setting for whether to crop images in unexpanded toots (#12126)

app/javascript/mastodon/initial_state.js

@@ -24,5 +24,6 @@ export const useBlurhash = getMeta('use_blurhash');
 export const usePendingItems = getMeta('use_pending_items');
 export const showTrends = getMeta('trends');
 export const title = getMeta('title');
+export const cropImages = getMeta('crop_images');
 
 export default initialState;