fix: always update group info when a new member joins [WPB-4464] #14829

All 2 928 tests pass, 104 skipped in 3m 28s

3 032 tests +3 032 2 928 ✔️ +2 928 3m 28s ⏱️ + 3m 28s
  526 suites +  526   104 💤 +  104
  526 files +  526       0 ❌ ±      0

Results for commit d4142de. ± Comparison against earlier commit ca88468.