Chats: speed up pane open animation

app/styles/chats.scss

@@ -10,7 +10,7 @@
   display: flex;
   flex-direction: column;
   z-index: 999;
-  transition: 0.2s;
+  transition: 0.05s;
 
   &--main {
     height: calc(100vh - 70px);