Merge branch 'threecolumn' into shigusegubu-vue3

* threecolumn:
  fix chats button alignment
  reduce chats jumpiness

src/components/chat/chat.scss

@@ -13,12 +13,13 @@
   }
 
   .chat-view-body {
+    box-sizing: border-box;
     background-color: var(--chatBg, $fallback--bg);
     display: flex;
     flex-direction: column;
     width: 100%;
     overflow: visible;
-    min-height: 100%;
+    min-height: calc(100vh - var(--navbar-height));
     margin: 0 0 0 0;
     border-radius: 10px 10px 0 0;
     border-radius: var(--panelRadius, 10px) var(--panelRadius, 10px) 0 0;
@@ -46,7 +47,6 @@
   }
 
   .chat-view-heading {
-    align-items: center;
     justify-content: space-between;
     display: flex;
     z-index: 2;
@@ -55,11 +55,11 @@
   }
 
   .go-back-button {
-    cursor: pointer;
-    width: 28px;
     text-align: center;
-    padding: 0.6em;
-    margin: -0.6em 0.6em -0.6em -0.6em;
+    padding: 0 0.7em;
+    line-height: 100%;
+    height: 100%;
+    align-self: stretch;
   }
 
   .jump-to-bottom-button {

src/components/chat/chat.vue

@@ -9,15 +9,15 @@
           ref="header"
           class="panel-heading -sticky chat-view-heading mobile-hidden"
         >
-          <a
-            class="go-back-button"
+          <button
+            class="button-unstyled go-back-button"
             @click="goBack"
           >
             <FAIcon
               size="lg"
               icon="chevron-left"
             />
-          </a>
+          </button>
           <div class="title text-center">
             <ChatTitle
               :user="recipient"

src/components/chat_title/chat_title.vue

@@ -4,13 +4,13 @@
     :title="title"
   >
     <router-link
+      class="avatar-container"
       v-if="withAvatar && user"
       :to="getUserProfileLink(user)"
     >
       <UserAvatar
+        class="titlebar-avatar"
         :user="user"
-        width="23px"
-        height="23px"
       />
     </router-link>
     <RichContent
@@ -32,7 +32,6 @@
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
-  align-items: center;
 
   --emoji-size: 14px;
 
@@ -45,11 +44,14 @@
     overflow: hidden;
   }
 
-  .Avatar {
-    width: 23px;
-    height: 23px;
-    margin-right: 0.5em;
+  .avatar-container {
+    align-self: center;
+  }
 
+  .titlebar-avatar {
+    margin-right: 0.5em;
+    height: 1.5em;
+    width: 1.5em;
     border-radius: $fallback--avatarAltRadius;
     border-radius: var(--avatarAltRadius, $fallback--avatarAltRadius);