TUI - crash when you lock a wallet too quickly

I clicked on Unlocked when there were loading everywhere.

log2.txt

latest_2.log

added Priority::Medium label

mentioned in merge request !588 (merged)

assigned to @msobczyk

closed with merge request !588 (merged)

changed milestone to %Release v1.27.5.21

mentioned in merge request !600 (merged)

I haven't encountered this error during tests on the release branch – it works fine now.