Creating a new API Doc has "Specification source type" field required

[cnovak]

Description

The API Doc has "Specification source type" field should not be required, and should not throw an error if the content is saved without selecting a "Specification source type"

Steps to Reproduce

Steps to reproduce the behavior:

1. Go to Content > API Catalog
2. Click on +Add API Doc
3. Enter "Name"
4. Note that the "Specification source type" is required
5. Click "Save"

Actual Behavior

View error: Notice: Undefined offset: 0 in _apigee_api_catalog_form_node_form_validate() (line 197 of modules/contrib/apigee_api_catalog/apigee_api_catalog.module).

Expected Behavior

"Specification source type" should not be required, you should be able to create an API Doc without an attached OpenAPI specification.

Screenshots

Version Info

Version: 8.x-2.5