Add snapshot service to image entity (#110057)

* Add service definition for saving snapshot of image entity

* Add service to image

* Add tests for image entity service

* Fix tests

* Formatting

* Add service icon

* Formatting

* Formatting

* Raise home assistant error instead of single log error

* Correctly pass entity id

* Raise exception from existing exception

* Expect home assistant error

* Fix services example

* Add test for templated snapshot

* Correct icon service config

* Set correct type for service template

* Remove unneeded

Co-authored-by: Erik Montnemery <erik@montnemery.com>

* remove template

* fix imports

* Update homeassistant/components/image/__init__.py

* Apply suggestions from code review

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Co-authored-by: Erik Montnemery <erik@montnemery.com>