[WIP] Call destroy to do cleanup work when pattern element is removed.#1013

Draft

thet wants to merge 3 commits intomasterfrom call-destroy

+69-4

Commits on May 30, 2022

feat(core utils): Add unique_id to utils for generating random, unique id.
thet
committed
feat(core events): Add remove_condition callback to add_event_listener to allow automatic removal of theevent registration if the callback evaluates to true.
thet
committed
feat(core registry): Automatically call destroy method on a pattern instance if the pattern element is removed.
thet
committed