Highlight emoji reactions picked by yourself

src/components/emoji_reactions/emoji_reactions.vue

@@ -81,5 +81,11 @@
       text-decoration: underline;
     }
   }
+
+  .button-default.picked-reaction {
+    border: 1px solid var(--accent, $fallback--link);
+    margin-left: -1px; // offset the border, can't use inset shadows either
+    margin-right: calc(0.5em - 1px);
+  }
 }
 </style>