add selectedContactIds to filter out already added contacts #675

All 408 tests pass, 1 skipped in 4m 11s

    1 files ±0 156 suites ±0 4m 11s ⏱️ -1s
409 tests ±0 408 ✔️ ±0 1 💤 ±0 0 ❌ ±0
414 runs ±0 413 ✔️ ±0 1 💤 ±0 0 ❌ ±0

Results for commit 47c05d5. ± Comparison against earlier commit 2344cca.