Change identifier for EventProviders from GUID to string name (#13370)

Change identifier for EventProviders from GUID to string name (#13370)

* [WIP] Changed event provider to user String identifiers

* [WIP] Remove GUID from generated code

* [WIP] Many small fixes

* [WIP] Fix error in constructing GUID

* Pass EventSource to abstract away GUID/Name references

* Fix various small errors

* Delay construction of SString objects

* Change GUIDs to names

* Change hardcoded GUID strings to names

* Revert testing changes

* Remove extra line

* Use the EventSource name

* Use provider full names

* Use full-names for Rundown

* Bump version number for eventpipe file

* Address review comments