Jonas Jenwald 81dfa61777 Ensure that failing to open the password dialog once won't permanently disable it (PR 15335 follow-up)
*Please note:* This situation should never happen in practice, but it nonetheless cannot hurt to fix this.

If the `PasswordPrompt.open` method would ever be called synchronously back-to-back *and* if opening of the dialog fails the first time, then the second invocation would remain pending indefinitely since we just clear out the capability.
2023-07-30 08:46:11 +02:00
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