must be of type array, null given in array_keys DynamicEntityReferenceItem.php

Patch is created to fix the issue.

patch #3 is garbage however the merge request patch does work.

Basically fixes the issue as described.

Thanks @priti197

Here's a link to the MR patch file
https://git.drupalcode.org/project/dynamic_entity_reference/-/merge_requ...

I believe this resolves another problem I ran into: 🐛 TypeError: uasort(): Argument #1 ($array) must be of type array, null given in uasort() Active