Fix dagmenu right-click crash on Maya 2025#625

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BramVR:fix/dagmenu-crash-maya2025

Commits on Mar 12, 2026

Fix cmds.controller segfault in get_all_tag_children on Maya 2025
BramVR
committed
Fix false positive attribute matching in dagmenu space-switch menu
BramVR
committed
Mark child tags as seen at enqueue time to prevent duplicates
BramVR
committed