[Workspaces]Fix for steam games capture&launch: capture and correctly launch steam games. (#38380)

* Workspaces fix: capture steam games.

* minor fix

* Launch steam apps by url appmodeluserid instead of directly exe call.

* fix copilot comment

* fix

* remove unnecessary string

* expect words

* white list words

* Order of alphabet

* exclude thin frame if it's not a steam game.

* fix build

* fix regression

* adjust comment