DEP-6690 Reinstated the ADL DA.

[AndyLearmouth-TDS]

DEP-6690

Checklist PR Raiser

• I've ensured code coverage has not decreased
• I've dealt with any new compilation warnings
• I've ensured the team's coding standards have been met (TBC)?
• If relevant, I've created corresponding app-config-XXX changes?
• If I've created new test data, I've ensured there is no real person's data (see https://confluence.tools.tax.service.gov.uk/display/CD/Test+Data+in+the+Open)
• I've considered the impact my changes have on the UI/Journey tests (please do not break them)
• If relevant, I've added links to associated PRs

Checklist PR Reviewer

• I've checked to ensure all relevant unit tests have been written
• I've checked to ensure the team's coding standards have been met
• I've executed the acceptance test pack locally to ensure there are no functional regressions (Performance tests where relevant)
• If I merge I will ensure I use squash and merge

[platops-pr-bot]

• Routes defined in conf/testOnlyDoNotUseInAppConf.routes should contain /test-only/ prefix