1.1.3dev: Fix `DatabaseManager` instantiation in `EnvironmentSetup`. Refs #11859.
1.1.3dev: Fix `DatabaseManager` instantiation in `EnvironmentSetup`. Refs #11859.

Passing `self` (the `EnvironmentSetup`) doesn't work here, upgrades would fail with `AssertionError: First argument must be a ComponentManager instance`.

git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@13462 af82e41b-90c4-0310-8c96-b1721e28e2e2

walty8/trac,walty8/trac,walty8/trac,walty8/trac