Alerts Cleanup and API (#39544)

Alerts Cleanup and API (#39544)

* alert cleanup and API

* I expect update loops to be at the top.

* Address review

* Address review x 2

* Merg my PR

* Fix

* Update Content.Shared/Alert/AlertsSystem.cs

webedit

Co-authored-by: Perry Fraser <perryprog@users.noreply.github.com>
* FIX THAT TEST FAIL!!!!

* Me when I forget to actually give you alerts

* Hammedborgar

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Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>
Co-authored-by: Perry Fraser <perryprog@users.noreply.github.com>