So turns out you can use
change_scene instead of
change_scene_to in order to avoid the issue. What I eventually decided on was:
export(String, FILE, "*.tscn") var scene_path = "res://src/Levels/"
This allows for you to just click the file button and it'll start you off in the Levels folder which is the best I could come up with. I also changed the
_get_configuration_warning function as necessary and switched out
func teleport() -> void:
If anyone has any suggestions about best practices and such please let me know, happy to mark a better answer as the actual answer.