* avoid getting delegated vars w/o inventory host
fixes#75512
In the case of imports, we don't have a host, so getting host vars for
the delegated host makes no sense and should be avoided.
* also avoid error on vars_files with per host vars
* test
* testing given case
* oops
* Fix `ansible -K` become_pass regression
Change:
- This fixes a breaking change introduced in
2165f9ac40
Test Plan:
- Local VM for now, with plans to add an integration test for -K going
forward.
Tickets:
Refs #69244
