Properly detect thread-muted posts and set `with_muted` when fetching

notifications

src/components/status/status.js

@@ -117,7 +117,7 @@ const Status = {
 
       return hits
     },
-    muted () { return !this.unmuted && (this.status.user.muted || this.muteWordHits.length > 0) },
+    muted () { return !this.unmuted && (this.status.muted || this.muteWordHits.length > 0) },
     hideFilteredStatuses () {
       return typeof this.$store.state.config.hideFilteredStatuses === 'undefined'
         ? this.$store.state.instance.hideFilteredStatuses

src/services/notifications_fetcher/notifications_fetcher.service.js

@@ -10,6 +10,11 @@ const fetchAndUpdate = ({ store, credentials, older = false }) => {
   const args = { credentials }
   const rootState = store.rootState || store.state
   const timelineData = rootState.statuses.notifications
+  const hideMutedPosts = typeof rootState.config.hideMutedPosts === 'undefined'
+    ? rootState.instance.hideMutedPosts
+    : rootState.config.hideMutedPosts
+
+  args['withMuted'] = !hideMutedPosts
 
   args['timeline'] = 'notifications'
   if (older) {