Joshua Boelter

> @microsoft-github-policy-service agree

I'm not particularly attached to the specifics of the implementation; it was an iterative process to get here. ~~There may be a potential for (un)escaping issues in the command line...

@zadjii-msft Just had an idea while working on something entirely unrelated. Turns out that `elevate-shim.exe` can successfully call `GetCurrentApplicationUserModelId`. This means this change can be isolated to the shim and...