 BUG: DTA/TDA/PA/Series/Index.view with datetimelike
- [ ] closes #xxxx
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [x] whatsnew entry

This makes it feasible to share some of the SetitemCastingEquivalents tests.