fix chat

src/components/chat/chat.scss

@@ -47,19 +47,15 @@
   }
 
   .chat-view-heading {
-    justify-content: space-between;
-    display: flex;
-    z-index: 2;
-    position: sticky;
-    overflow: hidden;
+    grid-template-columns: auto 1fr;
   }
 
   .go-back-button {
     text-align: center;
-    padding: 0 0.7em;
     line-height: 100%;
     height: 100%;
-    align-self: stretch;
+    align-self: start;
+    width: var(--__panel-heading-height-inner);
   }
 
   .jump-to-bottom-button {

src/components/chat_title/chat_title.vue

@@ -46,6 +46,7 @@
 
   .avatar-container {
     align-self: center;
+    line-height: 1;
   }
 
   .titlebar-avatar {