Markus Zolliker dd6ee398f2 fix issues when closing tabs
- catch error on AsynTcp.shutdown (when already disconnected)
- avoid opening duplicate tabs
- shorten try except in mainWindow._handleTabClose to the minimum
+ fix an issue with frappy.client.CacheItem.formatted

Change-Id: Ice4086373a89a969f02e08ec90a173edbd5b0585
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/30730
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>
2023-04-21 16:17:30 +02:00
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