Rename hash_mapping into hash_property_path

Author: Seb33300

reference/forms/types/password.rst

@@ -35,8 +35,8 @@ with the ``value`` attribute set to its true value only upon submission.
 If you want to render your password field *with* the password value already
 entered into the box, set this to false and submit the form.
 
-``hash_mapping``
-~~~~~~~~~~~~~~~~
+``hash_property_path``
+~~~~~~~~~~~~~~~~~~~~~~
 
 **type**: ``string`` **default**: ``null``
 
@@ -51,8 +51,8 @@ Data passed to the form must be a ``PasswordAuthenticatedUserInterface`` object.
     this option can only be used with the ``mapped`` option set to ``false``.
 
         $builder->add('plainPassword', PasswordType::class, [
-            'hash_mapping' => 'password',
-            'mapped'       => false,
+            'hash_property_path' => 'password',
+            'mapped' => false,
         ]);
 
     See the :ref:`"mapped" option documentation <reference-form-mapped>`.