Made flag for debugging build time of user created widgets (#100926)

* Added a bool that allows us to limit debugProfileBuildsEnabled to user
created widgets.

* made it turned on by default

* switched to hashmap

* Cleaned everything up and added tests

* fixed an odd test where it wants to be able to add asserts and run in profile mode

* hixie feedback

* hixie2

* made it default to false

* updated docstring as per dans request