QueryDeleteDlg_Impl: add GetResult() that was removed in ...

02d4eb7438a83982b2602ea1d83d5accb1fe11f6

Change-Id: I45b5691a3dc4cf2444e0daf8cb2ae0134532f596
sc: no such thing as std::vector::find

Change-Id: I11bb688a8e0affda9ed78a61d9aba3d244914f8c