[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/metadata-modules/permissions/permissions.module.ts

@@ -1,17 +1,21 @@
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 
+import { EnvironmentModule } from 'src/engine/core-modules/environment/environment.module';
 import { FeatureFlagModule } from 'src/engine/core-modules/feature-flag/feature-flag.module';
 import { UserWorkspace } from 'src/engine/core-modules/user-workspace/user-workspace.entity';
 import { PermissionsService } from 'src/engine/metadata-modules/permissions/permissions.service';
-import { RoleEntity } from 'src/engine/metadata-modules/permissions/role.entity';
-import { UserWorkspaceRoleEntity } from 'src/engine/metadata-modules/permissions/user-workspace-role.entity';
+import { RoleEntity } from 'src/engine/metadata-modules/role/role.entity';
+import { UserWorkspaceRoleEntity } from 'src/engine/metadata-modules/role/user-workspace-role.entity';
+import { UserRoleModule } from 'src/engine/metadata-modules/userRole/userRole.module';
 
 @Module({
   imports: [
     TypeOrmModule.forFeature([RoleEntity, UserWorkspaceRoleEntity], 'metadata'),
     FeatureFlagModule,
     TypeOrmModule.forFeature([UserWorkspace], 'core'),
+    EnvironmentModule,
+    UserRoleModule,
   ],
   providers: [PermissionsService],
   exports: [PermissionsService],