Description

It appears that in some cases some Button components use an explicit aria-label prop to render an aria-label HTML attribute, which in turn determines the icon button tooltip (if it's an icon button). Example:

This pattern should be audited across the entire codebase as it's not a best practice.

Setting an explicit aria-label signals two possible cases, both less than ideal:

• The aria-label is used in a way that the accessible name mismatches the Button text or tooltip. This is not OK for accessibility.
• The aria-label is just unnecessary, like in the example above. In that case, the wrapping Tooltip component uses the same label variable used for aria-label. In this case, the Tooltip component can be removed and the variable passed to the label prop of the Butotn.

Step-by-step reproduction instructions

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Screenshots, screen recording, code snippet

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Environment info

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Please confirm that you have tested with all plugins deactivated except Gutenberg.

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