[Permissions] Implement getRoles (#9955)

In this PR

- introducing roles module to separate roles logic (assign a Role, get a
workspace's roles etc.) from permission logic (check if a user has a
permission)
- Introduces getRoles endpoint to fetch a workspace's roles
- introduces the first permission check: getRoles in only accessible to
users with permission on ROLE setting. Implemented
validatesUserHasWorkspaceSettingPermissionOrThrow

packages/twenty-server/src/engine/workspace-manager/workspace-manager.module.ts

@@ -6,6 +6,8 @@ import { UserWorkspace } from 'src/engine/core-modules/user-workspace/user-works
 import { DataSourceModule } from 'src/engine/metadata-modules/data-source/data-source.module';
 import { ObjectMetadataModule } from 'src/engine/metadata-modules/object-metadata/object-metadata.module';
 import { PermissionsModule } from 'src/engine/metadata-modules/permissions/permissions.module';
+import { RoleModule } from 'src/engine/metadata-modules/role/role.module';
+import { UserRoleModule } from 'src/engine/metadata-modules/userRole/userRole.module';
 import { WorkspaceMigrationModule } from 'src/engine/metadata-modules/workspace-migration/workspace-migration.module';
 import { SeederModule } from 'src/engine/seeder/seeder.module';
 import { WorkspaceDataSourceModule } from 'src/engine/workspace-datasource/workspace-datasource.module';
@@ -26,6 +28,8 @@ import { WorkspaceManagerService } from './workspace-manager.service';
     FeatureFlagModule,
     PermissionsModule,
     TypeOrmModule.forFeature([UserWorkspace], 'core'),
+    RoleModule,
+    UserRoleModule,
   ],
   exports: [WorkspaceManagerService],
   providers: [WorkspaceManagerService],