fix: treat blockquote as a valid wrapper in wrapTextNodes

[fkakatie]

Description

Blockquotes are block-level content and shouldn't be re-wrapped in a paragraph, same as headings, tables, and lists.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[trieloff]

🎉 This PR is included in version 3.1.7 🎉

The release is available on:

• GitHub release
• v3.1.7

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