[Form] Changed FormTypeCsrfExtension to use the form's name as default intention
Merge branch 'fix-csrf-default-2.2' into fix-csrf-default-2.3

Conflicts:
	src/Symfony/Component/Form/Extension/Csrf/Type/FormTypeCsrfExtension.php
bug #9328 [2.3][Form] Changed FormTypeCsrfExtension to use the form's name as default intention (bschussek)

This PR was merged into the 2.3 branch.

Discussion
----------

[2.3][Form] Changed FormTypeCsrfExtension to use the form's name as default intention

Equivalent of #9327, merged into 2.3.

Commits
-------

c4abe83 Merge branch 'fix-csrf-default-2.2' into fix-csrf-default-2.3
b07c618 [Form] Changed FormTypeCsrfExtension to use the form's name as default intention