Tiptap RTE: Refactor Table menus to use menu extension-type

[leekelleher]

Description

Resolves #19765.

Refactored how the Tiptap RTE's Table toolbar and bubble menu are populated/rendered, to make use of our established menu extension-type. This means that the Table menu-items are no longer a hard-coded list of items, they are now available in the extension-registry, so they could be replaced/unregistered, but more importantly, 3rd-party extensions can add to the menu.

Note

This PR focuses on the Tiptap Table toolbar menus, but it does lay the groundwork for aligning the other toolbar menus (Style Select, Font Family, Font Size).

To support this in core, I needed a new abstraction for the menuItem, adding an action kind. This is complimentary to the default and link kinds, but does not have a requirement for an entityType.

Also, I needed to introduce a <umb-tiptap-menu> component, as I initially used the general umb-menu component, but that makes use of <umb-extension-slot>, whereas I needed to use <umb-extension-with-api-slot> as menu-item would have an API to perform its action. (I am open to refactoring this further.)

How to test?

From a UX perspective, there should be no changes to how the Tiptap Table toolbar menu functions. Try out both the Table menu in the toolbar (with and without the cursor focused within a table), and try a table's column and row grips. Do all of the menu actions perform as intended?

[Copilot]

Pull Request Overview

This PR refactors the Tiptap RTE's Table toolbar and bubble menu system to use the established menu extension-type pattern instead of hard-coded menu items. This enables third-party extensions to add to table menus and makes the system more extensible.

• Replaced hard-coded table menu items with menu extensions registered in the extension registry
• Introduced a new action kind for menu items that don't require an entityType
• Created individual action classes for each table operation (add column, delete row, etc.)

Reviewed Changes

Copilot reviewed 43 out of 43 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/table/manifests.ts	Replaced inline menu items with extension manifests for table, column, row, and cell menus
src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/table/table.tiptap-toolbar-api.ts	Removed hard-coded commands and simplified to use new extension system
src/Umbraco.Web.UI.Client/src/packages/tiptap/extensions/table/actions/	Added individual action classes for each table operation
src/Umbraco.Web.UI.Client/src/packages/tiptap/contexts/	Created new context for sharing Tiptap editor instance across components
src/Umbraco.Web.UI.Client/src/packages/core/menu/components/menu-item/action/	Added new action kind for menu items without entity requirements

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