feat: Move taskBase Fields into collapsible Section #396

Description

Add collapsible "Base Fields" section for taskBase properties in diagram editor

Motivation

Consolidate all taskBase fields into a single collapsible "Base Fields" section within the diagram editor's property panel. This will reduce visual clutter and improve the user experience when editing task properties.

Proposed Implementation

• Design discussions

Definition of Done

• Implementation: Fully implemented according to the Open Workflow spec.
• Unit Tests: Comprehensive unit tests are included and passing.
• Integration Tests: Verified within the monorepo and target environments (Web/VS Code).
• Documentation: Updated README.md, ADRs, or official docs.
• Performance: No significant regression in editor responsiveness.
• Accessibility: UI changes comply with accessibility standards.