Add duration parameter to muting. (#13831)

* Adding duration to muting.

* Remove useless checks

app/javascript/mastodon/actions/mutes.js

@@ -13,6 +13,7 @@ export const MUTES_EXPAND_FAIL    = 'MUTES_EXPAND_FAIL';
 
 export const MUTES_INIT_MODAL = 'MUTES_INIT_MODAL';
 export const MUTES_TOGGLE_HIDE_NOTIFICATIONS = 'MUTES_TOGGLE_HIDE_NOTIFICATIONS';
+export const MUTES_CHANGE_DURATION = 'MUTES_CHANGE_DURATION';
 
 export function fetchMutes() {
   return (dispatch, getState) => {
@@ -104,3 +105,12 @@ export function toggleHideNotifications() {
     dispatch({ type: MUTES_TOGGLE_HIDE_NOTIFICATIONS });
   };
 }
+
+export function changeMuteDuration(duration) {
+  return dispatch => {
+    dispatch({
+      type: MUTES_CHANGE_DURATION,
+      duration,
+    });
+  };
+}