Resize work indicator in mention selector (#418)

src/sass/sections/_conversation.scss

@@ -119,6 +119,11 @@
                             width: inherit;
                             height: inherit;
                         }
+                        > .work-indicator {
+                            top: 15px;
+                            width: 14px;
+                            height: 14px;
+                        }
                     }
                 }
                 .contact-badge-identity {