Advanced mode of "delete worker results" on selection only works in the first corpus

STR from https://redmine.teklia.com/issues/7821

1. Select three elements, in three different corpora
2. Go to selection
3. For each corpus click on "delete worker results" and click on "advanced mode"
   • works for the first corpus
   • does not work for the other corpora

I do reproduce on preprod EE, there is no error in the console whatsoever, probably an internal flag that is not reset properly upon modal close.