Periodic check is called only every 30 seconds

[holzeis]

When the app got restarted why the dlc protocol was still executing we have a mechanism to recover upon starting up the app again. During the channel reestablishment actions are identified that defining what messages need to be resend etc. These actions are stored into a set and are looked at by the app and the coordinator every 30 seconds. This is a very long time in which the user might already have closed the app again.

This PR #1298 helps letting the user know that something is still pending and speeds up the period check by a best effort approach, but the underlying issue should be fixed in rust-dlc.

Ideally we process any pending actions after a channel reestablishment immediately instead of looking at any pending actions every 30 seconds. It also doesn't make much sense to look at pending actions anyways if there hasn't been a recent channel reestablishment. As far as I know, there is no other place where pending actions may get created.

[github-actions]

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