Adds support for setting the theme mode in the org and instance label policy.
Default is THEME_MODE_AUTO.
Validates the input to be a valid enum field.
Closes #173
Closes #138
Definition of Ready
[x] Short description of the feature/issue is added in the pr description
[x] PR is linked to the corresponding user story
[x] Acceptance criteria are met
[x] All open todos and follow ups are defined in a new ticket and justified
[x] Deviations from the acceptance criteria and design are agreed with the PO and documented.
[x] No debug or dead code
[x] My code has no repetitions
[x] All non-functional requirements are met
[x] The generic lifecycle acceptance test passes for affected resources.
[x] Examples are up-to-date and meaningful. The provider version is incremented.
Adds support for setting the theme mode in the org and instance label policy. Default is THEME_MODE_AUTO. Validates the input to be a valid enum field.
Closes #173 Closes #138
Definition of Ready