[Glitch] Add support for editing for published statuses

Port front-end changes from 1060666c58 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/actions/statuses.js

@@ -128,6 +128,9 @@ export function deleteStatusFail(id, error) {
   };
 };
 
+export const updateStatus = status => dispatch =>
+  dispatch(importFetchedStatus(status));
+
 export function fetchContext(id) {
   return (dispatch, getState) => {
     dispatch(fetchContextRequest(id));