et_header_layout, et_body_layout, et_footer_layout and et_template showing a
global entry now block a confirmed edit unless et_pb_is_allowed('theme_builder'),
like Divi's own check for TB layouts.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Reuses NewDraft for insert and rollback (P6), requires edit_global_library
for scope global (P7), refuses opaque and global roots before wrapping (P11)
and checks the node with StoredNodeGuard. The source page is never written.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
janniclas.loosenandClaude Opus 5.5