feat: improve Records responses_submitted relationship to be view only

[jfcalvo]

Description

Add changes to responses_submitted relationship to avoid problems with existent responses relationship and avoid a warning message that SQLAlchemy was reporting.

Refs #5000

Type of change

• Improvement (change adding some improvement to an existing functionality)

How Has This Been Tested

• Warning is not showing anymore.
• Test are passing.

Checklist

• I added relevant documentation
• follows the style guidelines of this project
• I did a self-review of my code
• I made corresponding changes to the documentation
• I confirm My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have added relevant notes to the CHANGELOG.md file (See https://keepachangelog.com/)