Implement the pane header component (PaneActionMenu) - refined UX design

Purpose: Implement the Action Menu for the Pane header, which allows users to quickly understand the purpose of the pane and its actions - STCOM-239.

The PaneActionMenu is an optional menu dropdown that can be added to any PaneHeader and toggled by the user by clicking the title of the PaneHeader.

The PaneActionMenu will provide the user with extra options relative to the pane it's attached to and also for Pane-actions such as

This feature is depending on API interaction with the WeCat module.

For Inventory, instance records following actions is to be implemented:

• Edit (if the record is not maintained in MARCcat) otherwise
• Edit in MARC (if the records is to be maintained in MARCcat) - Later
• Duplicate instance (if the record is not maintained in MARCcat)
• Delete
• Mark instance for deletion

For Inventory, holdings records following actions is to be implemented:

• Edit (if the record is not maintained in MARCcat) otherwise
• Edit in MFHD (if the records is to be maintained in MARCcat) - Later
• Duplicate (if the record is not maintained in MARCcat)
• Delete
• Mark holdings for deletion

For Inventory, item records following actions is to be implemented:

• Edit
• Duplicate item
• Delete item
• Mark item for deletion
• Mark item as missing
• New request

Documentation of the UX: https://ux.folio.org/docs/guidelines/components/pane-header/