fixes https://github.com/ansible/awx/issues/7946
- added WorkflowApprovalTemplate page type to allow URL registration
- added resources regex that’s associated resource URL with WorkflowApprovalTemplate
- registered the new resource regex with WorkflowApprovalTemplate page type
- modified `DEPENDENT_EXPORT` handling (insisted by @jbradberry)
- added special case handling for WorkflowApprovalTemplate due to its unique nature
unique nature of WorkflowApprovalTemplate
- when exporting WorkflowJobTemplate with approval node the WorkflowJobTemplateNode need to contain a related "create_approval_template" the POST data for "create_approval_template" need to come from the "workflow_approval_template"
- during the export of a WorkflowJobTemplateNode that is an approval node we need to get the data from "workflow_approval_template" and use that to populate the "create_approval_template"
Co-Authored-By: Jeff Bradberry <685957+jbradberry@users.noreply.github.com>
Signed-off-by: Hao Liu <haoli@redhat.com>
