Lists the application identifiers Google Chrome OS shows as pinned apps in the launcher bar.
Chrome Apps are specified by their Id, e.g. "pjkljhegncpnkpknbcohdijeoejaedia", Android Apps by their package name, e.g. "com.google.android.gm", and Web Apps are specified by the URL used in WebAppInstallForceList e.g. "https://google.com/maps".
If this policy is configured, the set of applications is fixed and can't be changed by the user.
If this policy is left unset, the user may change the list of pinned apps in the launcher.