refactor(core): Extract all Auth-related User columns into a separate entity (#9557)

Co-authored-by: Ricardo Espinoza <ricardo@n8n.io>

packages/cli/test/unit/databases/entities/user.entity.test.ts

@@ -9,8 +9,6 @@ describe('User Entity', () => {
 				lastName: 'Joe',
 				password: '123456789',
 				apiKey: '123',
-				mfaSecret: '123',
-				mfaRecoveryCodes: ['123'],
 			});
 			expect(JSON.stringify(user)).toEqual(
 				'{"email":"test@example.com","firstName":"Don","lastName":"Joe"}',

packages/cli/test/unit/services/user.service.test.ts

@@ -30,15 +30,13 @@ describe('UserService', () => {
 			});
 
 			type MaybeSensitiveProperties = Partial<
-				Pick<User, 'password' | 'mfaSecret' | 'mfaRecoveryCodes' | 'updatedAt' | 'authIdentities'>
+				Pick<User, 'password' | 'updatedAt' | 'authIdentities'>
 			>;
 
 			// to prevent typechecking from blocking assertions
 			const publicUser: MaybeSensitiveProperties = await userService.toPublic(mockUser);
 
 			expect(publicUser.password).toBeUndefined();
-			expect(publicUser.mfaSecret).toBeUndefined();
-			expect(publicUser.mfaRecoveryCodes).toBeUndefined();
 			expect(publicUser.updatedAt).toBeUndefined();
 			expect(publicUser.authIdentities).toBeUndefined();
 		});