Fix issues with the new inbox page

src/api/user.rs

@@ -25,7 +25,7 @@ pub fn get_mentions(page: i64, unread_only: bool) -> std::result::Result<GetPers
         sort: Some(CommentSortType::New),
         ..Default::default()
     };
-    super::get("/user/mentions", &params)
+    super::get("/user/mention", &params)
 }
 
 pub fn get_replies(page: i64, unread_only: bool) -> std::result::Result<GetRepliesResponse, reqwest::Error> {

src/components/inbox_page.rs

@@ -92,6 +92,7 @@ impl SimpleComponent for InboxPage {
                     let comments = match type_ {
                         InboxType::Mentions => {
                             if let Ok(response) = api::user::get_mentions(page, unread_only) {
+                                // It's just a different object, but its contents are exactly the same
                                 let serialised = serde_json::to_string(&response.mentions).unwrap();
                                 serde_json::from_str(&serialised).ok()
                             } else { None }
@@ -116,6 +117,7 @@ impl SimpleComponent for InboxPage {
                 sender.input(InboxInput::FetchInbox);
             }
             InboxInput::UpdateInbox(comments) => {
+                self.mentions.guard().clear();
                 for comment in comments {
                     self.mentions.guard().push_back(comment);
                 }

src/components/mention_row.rs

@@ -41,6 +41,7 @@ impl FactoryComponent for MentionRow {
             set_margin_end: 10,
             set_margin_start: 10,
             set_margin_top: 10,
+            set_vexpand: false,
 
             gtk::Label {
                 set_label: &self.comment.post.name,