style support tickets from premium users via a class

www/admin/app-admin.less

@@ -47,5 +47,8 @@
             color: @colortheme_logo-2;
         }
     }
+    .cp-support-frompremium {
+        border: 2px solid red;
+    }
 }
 

www/support/ui.js

@@ -188,6 +188,7 @@ define([
         var senderKey = content.sender && content.sender.edPublic;
         var fromMe = senderKey === privateData.edPublic;
         var fromAdmin = ctx.adminKeys.indexOf(senderKey) !== -1;
+        var fromPremium = Boolean(privateData.plan);
 
         var userData = h('div.cp-support-showdata', [
             Messages.support_showData,
@@ -199,8 +200,10 @@ define([
             ev.stopPropagation();
         });
 
+        var adminClass = (fromAdmin? '.cp-support-fromadmin': '');
+        var premiumClass = (fromPremium? '.cp-support-frompremium': '');
         var name = Util.fixHTML(content.sender.name) || Messages.anonymous;
-        return h('div.cp-support-list-message' + (fromAdmin? '.cp-support-fromadmin': ''), {
+        return h('div.cp-support-list-message' + adminClass + premiumClass, {
             'data-hash': hash
         }, [
             h('div.cp-support-message-from' + (fromMe ? '.cp-support-fromme' : ''), [