Skipped a broken geoapp test on Oracle; refs #23504.
Added an Oracle workaround for a geogapp test; refs #23504.
Changed Oracle test-user creation to grant privileges instead of roles

because the roles (specifically RESOURCE) are deprecated.
Also added optional support for creating views in tests, and made an
introspection test fail (rather than skip)  if a view cannot be created
due to lacking privileges.

Refs #18782

Thanks Tim Graham for review, and Josh Smeaton
Removed numbering from the models.py header of some test packages.

This is a reliqua from the early days of the modeltests/regressiontests era.
Fixed #23539 -- Added get_extra(), get_max_num(), and get_min_num() hooks to GenericInlineModelAdmin.
Fixed flake8 warnings.
Fixed #23426 -- Don't require double percent sign in RunSQL without parameters
Fixed #23426 -- Allow parameters in migrations.RunSQL