TINYDOC-3526: It is now possible to have the kind of export in getContent's events and nodeFilter.

[kemister85]

Ticket: TINYDOC-3526 (TINYMCE-14323)

Site: Staging

Changes:

• Added release note entries for TINYMCE-14323 to modules/ROOT/pages/8.7.0-release-notes.adoc (Accompanying Premium plugin changes → Export to PDF and Export to Word): the export property is now available on the GetContent event and serializer node filters during an export.
• Added an Export-specific content filtering section to modules/ROOT/pages/exportpdf.adoc documenting the export property (Additions gate reference docs).
• Added an Export-specific content filtering section to modules/ROOT/pages/exportword.adoc documenting the export property (Additions gate reference docs).

---

Pre-checks:

• Branch is correctly prefixed (release-note branch)
• modules/ROOT/nav.adoc has been updated (if applicable).
• Files have been included where required (if applicable).
• Files removed have been deleted, not just excluded from the build (if applicable).
• Files added for New product features include a release note entry.
• Major or minor version changes have updated the supported-versions.adoc table.
• Build passes without console errors, warnings, or issues.