Fix follower/following lists resetting on back-navigation in web UI (#11986)

Fix #11452

app/javascript/mastodon/features/favourites/index.js

@@ -27,8 +27,10 @@ class Favourites extends ImmutablePureComponent {
   };
 
   componentWillMount () {
+    if (!this.props.accountIds) {
       this.props.dispatch(fetchFavourites(this.props.params.statusId));
     }
+  }
 
   componentWillReceiveProps (nextProps) {
     if (nextProps.params.statusId !== this.props.params.statusId && nextProps.params.statusId) {

app/javascript/mastodon/features/followers/index.js

@@ -40,9 +40,11 @@ class Followers extends ImmutablePureComponent {
   };
 
   componentWillMount () {
+    if (!this.props.accountIds) {
       this.props.dispatch(fetchAccount(this.props.params.accountId));
       this.props.dispatch(fetchFollowers(this.props.params.accountId));
     }
+  }
 
   componentWillReceiveProps (nextProps) {
     if (nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) {

app/javascript/mastodon/features/following/index.js

@@ -40,9 +40,11 @@ class Following extends ImmutablePureComponent {
   };
 
   componentWillMount () {
+    if (!this.props.accountIds) {
       this.props.dispatch(fetchAccount(this.props.params.accountId));
       this.props.dispatch(fetchFollowing(this.props.params.accountId));
     }
+  }
 
   componentWillReceiveProps (nextProps) {
     if (nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) {

app/javascript/mastodon/features/reblogs/index.js

@@ -27,8 +27,10 @@ class Reblogs extends ImmutablePureComponent {
   };
 
   componentWillMount () {
+    if (!this.props.accountIds) {
       this.props.dispatch(fetchReblogs(this.props.params.statusId));
     }
+  }
 
   componentWillReceiveProps(nextProps) {
     if (nextProps.params.statusId !== this.props.params.statusId && nextProps.params.statusId) {