Add Create related records to Record standard actions (#13095)

#12924 Add Create related records to Record standard actions
- add the "Create related records" option to the standard Record actions
in the command menu.
- apply to one-to-many relations.
- command should open a side panel with an empty record for the selected
object.

<img width="518" alt="Screenshot"
src="https://github.com/user-attachments/assets/0388aaf9-b974-4ae1-85bf-2966d89cbbec"
/>

---------

Co-authored-by: Raphaël Bosi <71827178+bosiraphael@users.noreply.github.com>
Co-authored-by: bosiraphael <raphael.bosi@gmail.com>

packages/twenty-server/src/modules/task/standard-objects/task.workspace-entity.ts

@@ -147,6 +147,7 @@ export class TaskWorkspaceEntity extends BaseWorkspaceEntity {
     onDelete: RelationOnDeleteAction.SET_NULL,
   })
   @WorkspaceIsNullable()
+  @WorkspaceIsSystem()
   taskTargets: Relation<TaskTargetWorkspaceEntity[]>;
 
   @WorkspaceRelation({
@@ -159,6 +160,7 @@ export class TaskWorkspaceEntity extends BaseWorkspaceEntity {
     onDelete: RelationOnDeleteAction.SET_NULL,
   })
   @WorkspaceIsNullable()
+  @WorkspaceIsSystem()
   attachments: Relation<AttachmentWorkspaceEntity[]>;
 
   @WorkspaceRelation({
@@ -187,6 +189,7 @@ export class TaskWorkspaceEntity extends BaseWorkspaceEntity {
     onDelete: RelationOnDeleteAction.SET_NULL,
   })
   @WorkspaceIsNullable()
+  @WorkspaceIsSystem()
   timelineActivities: Relation<TimelineActivityWorkspaceEntity[]>;
 
   @WorkspaceRelation({