Navigation Link: Handle focus when removing the block

[scruffian]

What problem does this address?

In #57756 we added an onClose event to the LinkUI, which removes the block when the popover closes if the URL is empty. We need to work out how best to handle focus in this scenario.

What is your proposed solution?

We could return focus to the block, or to the inserter.

[getdave]

Focus should return to the inserter + icon.

[getdave]

@scruffian Are you still seeking to address this for WP 6.5?

[getdave]

We could return focus to the block, or to the inserter.

Focus should return to wherever you were previously. In this scenario:

• Add block using the block inserter plus button
• Auto-adds link block
• Link UI appears
• Close the Link UI without actively applying focus elsewhere (note any solution we implement should not steal focus)
• Focus should return to the block inserter plus button

However, in order for this to be addressed, I think the various scenarios that could occur need to be outlined more clearly.

[scruffian]

The PR that closed this was reverted so this should still be open

[youknowriad]

How critical is this for 6.5?

[scruffian]

I don't think its critical. Several of us have looked at it and didn't find a solution so maybe we should punt it?

[youknowriad]

Removed from the 6.5 broad.