Fix seeding perf + batch role targets creation (#16337)

packages/twenty-server/src/engine/metadata-modules/role/role.resolver.ts

@@ -126,8 +126,8 @@ export class RoleResolver {
         workspaceId: workspace.id,
       });
 
-    await this.userRoleService.assignRoleToUserWorkspace({
-      userWorkspaceId: userWorkspace.id,
+    await this.userRoleService.assignRoleToManyUserWorkspace({
+      userWorkspaceIds: [userWorkspace.id],
       workspaceId: workspace.id,
       roleId,
     });

packages/twenty-server/src/engine/metadata-modules/role/role.service.ts

@@ -354,14 +354,10 @@ export class RoleService {
         workspaceId,
       );
 
-    await Promise.all(
-      userWorkspaceIds.map((userWorkspaceId) =>
-        this.userRoleService.assignRoleToUserWorkspace({
-          userWorkspaceId,
-          roleId: defaultRoleId,
-          workspaceId,
-        }),
-      ),
-    );
+    await this.userRoleService.assignRoleToManyUserWorkspace({
+      userWorkspaceIds,
+      roleId: defaultRoleId,
+      workspaceId,
+    });
   }
 }