* Removing hardcoded version numbers from c# telemetry events.
* Removing dependency on powertoysInterop for getting version string.
* Defensive checks around getting assembly version
* Adding privacy event tags to each telemetry event.
* Moving Privacy events to Telemetry base, Removing tag values, and fixing namespaces.
* Adding documentation comments to fix style cop errors in release
* UTCReplace_AppSessionGuid boolean property to all C# telemetry events.
* Adding hardcoded version number to boot events.
* Adding reference to telemetry in settings unittest
* Adding Preview Pane events for loading w/ hardcoded version number
* Adding telemetry.h to msi for svg and markdown events
* removing unused explicit interface exception
