pollinator component doesn't save pollinated count and pollinated entities

Not the biggest deal out there, but it means loading basically restarts the whole process for bees (which do persist when saving and loading).

self.flowers also stores flower insts and keeps them even after they're removed (like when picking flowers for petals).

This is fine, but maybe self.flowers should store prefab names instead? And a separate self.flower_ents table should keep track of which ones have been pollinated (and remove them when they get removed through "onremove" listeners)?

Just a suggestion mainly to avoid keeping stale references to invalid entities.