Suite: Null check for database provider project for custom module creation. #16325
Description
Fixes the problem stated at https://support.abp.io/QA/Questions/6392/Error-when-creating-entity-on-module-using-abp---suite
Checklist
- I fully tested it as developer / designer and created unit / integration tests
- I documented it (or no need to document or I will create a separate documentation issue)
- I worked with the design team to get their idea for UI/UX design (or no need to design for this PR)
- I've assigned reviewer, related labels and set a milestone for this PR