minor #10545 Update form.rst (Ferikl)

This PR was submitted for the 4.1 branch but it was squashed and merged into the 2.8 branch instead (closes #10545).

Discussion
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Update form.rst

Add example how to disable CSRF in Form

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fc24a02 Update form.rst

Author: xabbuh

components/form.rst

@@ -156,6 +156,13 @@ the CSRF generator and validated when binding the form.
 
         $csrfStorage = new NativeSessionTokenStorage();
         // ...
+        
+.. tip::
+    If you want to disable CSRF on your form, you can give specific options to your form builder through the createBuilder() function:
+        
+        use Symfony\\Component\\Form\\Extension\\Core\\Type\\FormType
+    
+        $form = $formFactory->createBuilder(FormType::class, null, ['csrf_protection' => false])
 
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