When going back from the darkroom, ensure the last edited image is displayed.

Fixes #9705.
Proofreading + 1.4 update
Merge pull request #388 from VictorLamoine/master

Proofreading + 1.4 update
Properly close dt when clicking on the X

This fixes #9642. I hope.
Merge branch 'lighttable-pos-from-darkroom'

* lighttable-pos-from-darkroom:
  When going back from the darkroom, ensure the last edited image is displayed.