[EDM] Improve "Import Entity" Dialog – Update Title and Disable Editing Operations

[ThuF]

Description

The current dialog title is not fully aligned with the action semantics. Since the user is explicitly performing an import operation, the dialog title should clearly reflect that.

Additionally, after importing an entity from an external model, the entity should be treated as read-only hence a.

Enhance the EDM → Import Entity action with the following improvements:

• Update Dialog Title:
  • Current: Entity from External Model
  • Proposed: Import Entity from External Model
• Disable Editing Operations for imported entities and their properties inside the import dialog.

Acceptance Criteria

• Dialog title updated to Import Entity from External Model
• All property-level editing operations disabled
• All entity-level editing operations disabled