policy modal kind option updated
Allow Directive#kind to be `None` and set as Policy default
Merge branch 'develop' into feature/policy-modal-update

Conflicts:
	src/ggrc/assets/mustache/policies/modal_content.mustache
Merge pull request #524 from reciprocity/feature/policy-modal-update

Allow Directive#kind to be `None` and set as Policy default [story:57760284]