Tooltips in the link actions view won't go away when hidden using Esc key press

[oleq]

📝 Provide detailed reproduction steps (if any)

1. Create a link
2. Click it
3. Hover an UI in the link actions view
4. Press ESC

✔️ Expected result

The tooltip is gone.

❌ Actual result

The tooltip stays

❓ Possible solution

It does not happen in the LinkFormView, though. This is probably because one of the handlers (blur or mouseleave) gets a chance to hide the tooltip in that case. The key to the right fix is figuring out the difference in behavior between LinkActionsView and LinkFormView.

ckeditor5/packages/ckeditor5-ui/src/tooltipmanager.js

Lines 147 to 153 in e86c402

	this.listenTo( global.document, 'mouseenter', this._onEnterOrFocus.bind( this ), { useCapture: true } );
	this.listenTo( global.document, 'mouseleave', this._onLeaveOrBlur.bind( this ), { useCapture: true } );
	this.listenTo( global.document, 'focus', this._onEnterOrFocus.bind( this ), { useCapture: true } );
	this.listenTo( global.document, 'blur', this._onLeaveOrBlur.bind( this ), { useCapture: true } );
	this.listenTo( global.document, 'scroll', this._onScroll.bind( this ), { useCapture: true } );

Also note that the link UI is probably only one of many examples of this problem. We need a generic solution in TooltipManager, not a hack in ckeditor5-link.

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