NEO-67140: fixing schemaName when the queryDef result is empty

[blfakir]

Description

The QueryDef result for temporary schema is incorrect for empty results: In case of a workflow we have the output : { 'workflow:1047471_query2_result': [] }

instead of { 'workflow_1047471_query2_result': [] }

Related Issue

NEO-67140

Motivation and Context

The change is fixing an issue when doing a preview of a workflow transition

How Has This Been Tested?

• This has been test manually
• Unit test is added to the PR

Screenshots (if appropriate):

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.