chat: make writing bubbles smaller

app/assets/stylesheets/zammad.scss

@@ -7811,6 +7811,8 @@ output {
   margin-right: -4px;
   
   .icon {
+    width: 12px;
+    height: 12px;
     fill: hsl(0,0%,90%);
     margin-left: -4px;
     vertical-align: middle;

public/assets/chat/chat.css

@@ -264,8 +264,8 @@
 .zammad-chat-loading-circle {
   background: #d9d9d9;
   border-radius: 100%;
-  height: 0.72em;
-  width: 0.72em;
+  height: 0.55em;
+  width: 0.55em;
   display: inline-block;
   -webkit-animation: ease-in-out load-fade 600ms infinite alternate;
   animation: ease-in-out load-fade 600ms infinite alternate; }

public/assets/chat/chat.scss

@@ -288,8 +288,8 @@
 .zammad-chat-loading-circle {
   background: hsl(0,0%, 85%);
   border-radius: 100%;
-  height: 0.72em;
-  width: 0.72em;
+  height: 0.55em;
+  width: 0.55em;
   display: inline-block;
   animation: ease-in-out load-fade 600ms infinite alternate;
 }