fix(utm): заменить публичную chob на banch (#327)

tests/check-utm-redirect-contract.php

@@ -11,6 +11,7 @@ $_GET = [
     'utm_source' => 'stage-ad',
     'subid' => 'click-42',
     'key' => 'must-not-replace-client-key',
+    'chob' => 'abcd1ignored',
 ];
 $_SERVER['HTTP_HOST'] = 'zoomstage.online';
 
@@ -44,7 +45,7 @@ if ($params !== $expected) {
     exit(1);
 }
 
-if ($redirect_digits !== ['indpic'=>'1','theme'=>'1','degr'=>'1','reg'=>'2','chob'=>'2','tp'=>'2','cons'=>'2','focus'=>'1']) {
+if ($redirect_digits !== ['indpic'=>'1','theme'=>'1','degr'=>'1','reg'=>'2','banch'=>'2','tp'=>'2','cons'=>'2','focus'=>'1']) {
     throw new RuntimeException('Type-in обязан сохранить полный resolved numeric snapshot для handoff/recovery.');
 }