Urgent bugfix: Public contacts had been blocked automatically when created

src/Network/Probe.php

@@ -447,6 +447,7 @@ class Probe
 				// When the contact doesn't exist, the value "true" will trigger an insert
 				if (!$old_fields) {
 					$old_fields = true;
+					$fields['blocked'] = false;
 				}
 
 				dba::update('contact', $fields, $condition, $old_fields);