Keyboard Shortcut Table: not readable via screen reader

Scenario

• Start Orca (or any screen reader)
• Open the Keyboard Shortcut Table

Current result

• Orca doesn't say anything

Expected

• The page should be readable via the screen reader

added BacklogHigh UI/UX labels

assigned to @cfdamedey

closed

reopened

Don't close if not merged

closed

mentioned in commit e7436dbc