Nyall Dawson 87c1986c4b Improved memory managment of algorithm dialogs
Ensure that dialogs are always correctly deleted when appropriate.

Also, if an algorithm is running in a background task and hits
an error, we automatically re-show the algorithm dialog and the
associated log for debugging.

Fixes #16858
2018-01-16 19:45:40 +10:00
..
2013-08-20 09:22:03 +02:00
2017-12-14 09:04:07 +01:00