Don't color user tabs

extension/content.js

@@ -356,6 +356,9 @@ function getIdentifierInternal(urlstr) {
             // page left sidebar
             if (urlstr.dataset.endpoint) return null;
 
+            // profile tabs
+            if (urlstr.dataset.tabKey) return null;
+
             var gt = urlstr.dataset.gt;
             if (gt) {
                 var gtParsed = JSON.parse(gt);