Refs #21171 -- Made Collector.delete() rollback in the correct database.
Refs #21171 -- Made Collector.delete() rollback in the correct database.

Regression in c7dd8490b882b2cefdc7faf431dc64c532b79c9.
auvipy/django,atul-bhouraskar/django,manhhomienbienthuy/django,rsalmaso/django,ghickman/django,atul-bhouraskar/django,blighj/django,rsalmaso/django,pauloxnet/django,MarkusH/django,pauloxnet/django,googleinterns/django,apollo13/django,felixxm/django,pauloxnet/django,monetate/django,adamchainz/django,elena/django,wkschwartz/django,freakboy3742/django,auvipy/django,django/django,MarkusH/django,ghickman/django,pauloxnet/django,takis/django,theo-l/django,koordinates/django,googleinterns/django,auvipy/django,theo-l/django,shaib/django,apollo13/django,shaib/django,freakboy3742/django,dsanders11/django,wkschwartz/django,theo-l/django,monetate/django,adamchainz/django,blighj/django,googleinterns/django,takis/django,felixxm/django,ghickman/django,apollo13/django,blighj/django,shaib/django,MarkusH/django,adamchainz/django,atul-bhouraskar/django,felixxm/django,django/django,adamchainz/django,felixxm/django,koordinates/django,ghickman/django,elena/django,auvipy/django,blighj/django,dsanders11/django,apollo13/django,wkschwartz/django,freakboy3742/django,googleinterns/django,solarissmoke/django,takis/django,manhhomienbienthuy/django,dsanders11/django,MarkusH/django,django/django,wkschwartz/django,monetate/django,takis/django,atul-bhouraskar/django,koordinates/django,rsalmaso/django,theo-l/django,koordinates/django,shaib/django,dsanders11/django,elena/django,manhhomienbienthuy/django,monetate/django,manhhomienbienthuy/django,solarissmoke/django,solarissmoke/django,solarissmoke/django,rsalmaso/django,elena/django,django/django