FEATURE: don't limit registration from an IP address if a staff member has that IP address

lib/spam_handler.rb

@@ -9,6 +9,13 @@ class SpamHandler
 
     return false if tl2_plus_accounts_with_same_ip > 0
 
+    staff_user_ids = Group[:staff].user_ids - [-1]
+    staff_members_with_same_ip = User.where(id: staff_user_ids)
+                                     .where("ip_address = ?", ip_address.to_s)
+                                     .count
+
+    return false if staff_members_with_same_ip > 0
+
     tl0_accounts_with_same_ip = User.unscoped
                                     .where(trust_level: TrustLevel[0])
                                     .where("ip_address = ?", ip_address.to_s)