Publish ALL pending offers when mining fee is low.

[wallclockbuilder]

This is the 2nd iteration of #5282 which allows a user to set a low mining fee notification. User still has to manually publish any pending offers when the low mining fee notification dialog pops up(users with more than 1 pending offer might not be able to manually publish all pending offers before the mining fee goes up again). Not perfect but good enough for a first iteration.

The v2 provides a "Publish All Pending Offers" button on the low mining fee notification so the user can publish all pending offers with one click.

Based on comment from @ripcurlx in #5282 (comment)_

[wallclockbuilder]

I'll implement this AFTER #5282 has been coded, merged into master and closed.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[stale]

This issue has been automatically closed because of inactivity. Feel free to reopen it if you think it is still relevant.