[FIX] Module-last_tracker_items: Fixing undefined array key trackerId
requested to merge christer77/tiki:fix-undefined-array-key-trackerId-in-module-last_tracker_items-26.x into 26.x
- [FIX]Module-last_tracker_items: Fixing undefined array key trackerId
See merge request !4774 (merged)
(cherry picked from commit ae0d61cf)