* Add support for service calls with resopnse data.
Update the service calls to allow returning responses with data,
with an initial use case supporting basic service calls usable
within script.
* Revert enttiy platform/component changes
* Remove unnecessary comma diff
* Revert additional unnecessary changes
* Simplify service call
* Simplify and fix typing and revert whitespace
* Clarify typing intent
* Revert more entity service calls
* Revert additional entity service changes
* Set blocking=True for group notify service call
* Revert unnecessary changes
* Reverting more whitespace changes
* Revert more service changes
* Add test coverage for None return case
* Add parameter to service calls indicating return values were requested
* Update tests/test_core.py
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
* Add additional service call tests
* Update test comment
---------
Co-authored-by: Paulus Schoutsen <paulus@home-assistant.io>
* Type hint additions
* Remove optional from sidebar_icon comment
Co-Authored-By: Franck Nijhof <frenck@frenck.nl>
* Remove optional from sidebar_title comment
Co-Authored-By: Franck Nijhof <frenck@frenck.nl>
* Fix issues after rebase and mypy 0.730
