with your most recent update (8f39564306), you've again made the entities static_save, which results in them duplicating the entity if the frame node loads before the entity is loaded.
this PR checks to see whether there's already an entity present both when the node loads, and also when the entity loads, and removes all duplicates found at either time.
with your most recent update (https://codeberg.org/tenplus1/itemframes/commit/8f39564306e041996815e40281070a0ebf0576e3), you've again made the entities static_save, which results in them duplicating the entity if the frame node loads before the entity is loaded.
this PR checks to see whether there's already an entity present *both* when the node loads, and also when the entity loads, and removes all duplicates found at either time.