*Context*: NelmioApiDocBundle does not require clients to have the symfony/validator package. However it requires it in its dev dependencies.
*Problem*: If client of library does not have symfony/validator and uses PHP8, NelmioApiDocBundle will assume that symfony/validator is installed, in `SymfonyConstraintAnnotationReader.php`
*Solution*: We should not assume that client has symfony/validator. So before reading attributes of this class, we now try to see if class exists.
- Tests still run.
- Tested in a project without symfony/validator and requiring this version, it now works.
The error before this fix was :
Exception: `ClassNotFound`
Message for me: `Attempted to load class "Constraint" from namespace "Symfony\Component\Validator".
Did you forget a "use" statement for e.g. "JsonSchema\Constraints\Constraint" or "Doctrine\DBAL\Schema\Constraint"?`
* remove pattern added from the Expression Violation message.
This string confuses the API client showing a violation message instead of having a Regex. Any informatory message for the client should be placed in "description"
* fix tests
* fix typo
- Add minimum and maximum from the range annotation
- Add maximum from the LessThan and LessThanOrEqual annotation
FIX: remove the extra date-time format, which was not standard and not in sync with what symfony exposes
Swagger specifies that date-time should follow the RFC3339, and this is what symfony does as default.
* fix(SymfonyConstraintAnnotationReader): fixed enum guessing in Assert\Choicewhen callback parameter is used
* fix(SymfonyConstraints): turn double quotes in single quotes
