fix(mobile): don't start the foreground backup in iOS background launches (#31943) * fix(mobile): don't start the foreground backup in iOS background launches * add a TODO to remove the background launch check (cherry picked from commit 3e4492924541a0e73ea3c326fcfcfcd053871610) Co-authored-by: Santo Shakil <santoshakil@users.noreply.github.com>