Only connect to source model rowInsertion signals once we have processed all existing rows in the model
Only connect to source model rowInsertion signals once we have processed all existing rows in the model

This fixes a bug in which duplicate contacts could appear

leonhandreke/ktp-common-internals,KDE/ktp-common-internals,KDE/ktp-common-internals,leonhandreke/ktp-common-internals,KDE/ktp-common-internals,leonhandreke/ktp-common-internals