replaced email by user name in header's user tools

web/themes/custom/materiotheme/assets/styles/main.scss

@@ -230,7 +230,7 @@ header[role="banner"]{
     }
     .mdi-logout::before {
       margin: -0.25em 0 0 0;
-      vertical-align: top;
+      vertical-align: baseline;
     }
   }