Currently the screenreader reads unnecessary info for help button on focus and nothing on hover.
Research
- The help button is displayed as a OOUI button with an icon but without a label.
- OOUI buttons without a label or with a hidden one, have no screen reader output.
- Also titles are not read out by the screen reader I used for testing (NVDA).
- The help button has its own popup for the title. So this would not help us here anyway.

