fix(api): fix findAnotherUserByEmail case insensitive user account search

Author: lego-technix

api/src/identity-access-management/infrastructure/repositories/user.repository.js

@@ -390,7 +390,7 @@ const findByExternalIdentifier = async function ({ externalIdentityId, identityP
 };
 
 const findAnotherUserByEmail = async function (userId, email) {
-  const anotherUsers = await knex('users').whereNot('id', userId).where({ email: email.toLowerCase() });
+  const anotherUsers = await knex('users').whereNot('id', userId).whereRaw('LOWER("email") = ?', email.toLowerCase());
 
   return anotherUsers.map((anotherUser) => new User(anotherUser));
 };

api/tests/identity-access-management/integration/infrastructure/repositories/user.repository.test.js

@@ -601,7 +601,7 @@ describe('Integration | Identity Access Management | Infrastructure | Repository
           email: '[email protected]',
         });
         const anotherUser = databaseBuilder.factory.buildUser({
-          email: '[email protected]',
+          email: 'another.user.withSomeUpperCaseLetters@example.net',
         });
         await databaseBuilder.commit();
 
@@ -611,7 +611,7 @@ describe('Integration | Identity Access Management | Infrastructure | Repository
         // then
         expect(foundUsers).to.be.an('array').that.have.lengthOf(1);
         expect(foundUsers[0]).to.be.an.instanceof(User);
-        expect(foundUsers[0].email).to.equal(anotherUser.email);
+        expect(foundUsers[0].email).to.equal(anotherUser.email.toLowerCase());
       });
 
       it('returns an empty list if email is not used', async function () {