* Removed adv, which isn't needed.
* Updated zone
* Updated to angular 16
* Updated to angular 16 (partially)
* Updated to angular 16
* Package update for Angular 16 (and other dependencies) is complete.
* Replaced all takeUntil(this.onDestroy) with new takeUntilDestroyed()
* Updated all inputs that have ! to be required and deleted all unit tests.
* Corrected how takeUntilDestroyed() is supposed to be implemented.
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