Feature Request: Bulk Selection for Multi-Select Fields

Problem: Manually selecting dozens of entities or options in a multi-select field is time-consuming and inefficient.

Solution: Add a "Select All" toggle or button within the multi-select dropdown interface to allow users to instantly highlight all available entities.

Value:

* Efficiency: Reduces friction when handling high-volume data selection.

* UX Improvement: Eliminates repetitive manual clicking for large datasets.