imageFilenames and imageFilename, backend integration tests, frontend tests, removed username references

backend/tests/unit/services/conditionCheckService.test.js

@@ -152,7 +152,7 @@ describe('ConditionCheckService', () => {
         include: [{
           model: User,
           as: 'submittedByUser',
-          attributes: ['id', 'username', 'firstName', 'lastName']
+          attributes: ['id', 'firstName', 'lastName']
         }],
         order: [['submittedAt', 'ASC']]
       });