Per @SBisson comment on T131498: Secondary links overflow the width on mobile
Why is the dotdotdot menu displaying as a standard mobile menu (at the bottom) in the flyout but as a >desktop menu on the special page? It's causing a horizontal scroll bar in some cases.
When a user name is long:
And @Mooeypoo comment:
we need to add the global overlay and place the dotdotdot popups in it, like we do for the mobile popup.