Merge pull request #979 from geoadmin/bug-location-popup-zindex

Put location popup below the menu and header - #patch

src/scss/variables.module.scss

@@ -26,7 +26,7 @@ $zindex-loading-screen: 101;
 // Menu stacking context
 $zindex-menu-tray: $zindex-menu; // one step behind the header so that it can slip behind when closed, but above the toolbox buttons
 $zindex-menu-header: $zindex-menu + 1;
-$zindex-map-popover: $zindex-menu-header + 1;
+$zindex-map-popover: $zindex-menu - 1;
 /* in order to have the header slip behind the drawing toolbox when the hiding animation
 occurs (teleported in the menu context)*/
 $zindex-drawing-toolbox: 3;