feat(lists paste): handle paste from Google docs

[VladaHarbour]

No description provided.

[Copilot]

Pull Request Overview

This PR adds support for handling paste operations from Google Docs. It introduces a new Google Docs paste handler that processes Google Docs-specific HTML structure and converts it into the editor's internal list format.

Key changes:

• Google Docs paste detection and routing to specialized handler
• List processing for Google Docs HTML structure with aria-level attributes
• Updated function signatures to support object parameters instead of individual arguments

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
listImporter.js	Adds fallback value for list start when undefined
html-helpers.js	Updates function signature to use object parameters
google-docs-paste.js	New module implementing Google Docs paste handling
docx-paste.js	Improves list text extraction and adds null safety
pasteListHelpers.js	Adds Google Docs numbering format mapping and helpers
orderedListUtils.js	Handles leading zero removal for double-digit numbers
InputRule.js	Adds Google Docs detection and routing

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[harbournick]

LGTM