Implemented SpecializedButtonTypeGuesser (resolves symfony/symfony#8785)

 Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no*
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8785
| License       | MIT
| Doc PR        | N/A

* The old behavior would of caused an exception to be thrown while binding the data.