Merge pull request #240 from appsembler/amir/rtl-support

chore: add RTL support directly to the dropdown-user-menu target

Author: amirtds

lms/static/sass/shared/_header.scss

@@ -210,7 +210,6 @@
           .dropdown-user-menu {
             position: absolute;
             top: 100%;
-            right: 0;
             width: auto;
             min-width: calcRem(180);
             max-width: 80%;