less create workspace form fields in cloud (#1265)

* sync

* less signup form fields in cloud

* min length

apps/server/src/core/auth/services/signup.service.ts

@@ -92,7 +92,8 @@ export class SignupService {
 
         // create workspace with full setup
         const workspaceData: CreateWorkspaceDto = {
-          name: createAdminUserDto.workspaceName,
+          name: createAdminUserDto.workspaceName || 'My workspace',
+          hostname: createAdminUserDto.hostname,
         };
 
         workspace = await this.workspaceService.create(