Admin bug fixes and docs.
What's Changed
- readme updates by @bckohan in #798
- fix: remove get_preserved_filters and add AdminPreservedFiltersTests by @niltonpimentel02 in #741
- Docs: Add guide for non-admin polymorphic views by @JohananOppongAmoateng in #749
- Fix: Admin Bugs by @JohananOppongAmoateng in #750
- Add raw ID m2m admin test by @bckohan in #803
- Add tests demonstrated Polymorphic through relationships in M2M admin fields by @bckohan in #807
Full Changelog: v4.6.0...v4.7.0