Activity and Section menus duplicate text in icons and labels

Setup Create a course with some activities using "topics" format. Create a course with some activities using "weekly" format. Login as a teacher in both courses. Testing scenario 1: Topics course Go to the "topics" course Turn editing on Open the "Edit" menu for each activity in the course. Verify that hovering the mouse cursor over the icon for each entry in the menu does not show any text as a "hover" tooltip. Verify that hovering the mouse cursor over the + icons for the "Add an activity or resource" link does not show any text as a "hover" tooltip. Verify that hovering the mouse cursor over the + icons for the "Add topics" link does not show any text as a "hover" tooltip. Open the "Edit" menu for "Topic 1" in the course. Choose "Highlight" from the menu Open the "Edit" menu for "Topic 1" again Verify that hovering the mouse cursor over the icon for the "Remove highlight" option in the menu does not show any text as a "hover" tooltip. Testing scenario 2: Weekly format Go to the "weekly" format Turn editing on (if it's not still on already) Open the "Edit" menu for each activity in the course. Verify that hovering the mouse cursor over the icon for each entry in the menu does not show any text as a "hover" tooltip. Verify that hovering the mouse cursor over the + icons for the "Add an activity or resource" link does not show any text as a "hover" tooltip. Verify that hovering the mouse cursor over the + icons for the "Add weeks" link does not show any text as a "hover" tooltip.