Backwards compatibility break in `RouterAssertionsTrait::seeCurrentRouteIs()`

https://github.com/Codeception/module-symfony/pull/227 broke backwards compatibility with tests written for prior versions of the module.

The following test now fails:

```php
$I->seeCurrentRouteIs('some_route', [
'id' => 1,
]);
```

With:

```
- Expected | + Actual
@@ @@
Array &0 [
'_route' => 'some_route',
- 'id' => 1,
+ 'id' => '1',
]
```

This usage is even how the method is documented:

https://github.com/Codeception/module-symfony/blob/01cfa3e12917e396cf99cee1fb63a553865cad16/src/Codeception/Module/Symfony/RouterAssertionsTrait.php#L87

Start in src/Codeception/Module/Symfony/RouterAssertionsTrait.php at seeCurrentRouteIs(), and compare the behavior introduced by pull request #227. Reproduce the documented call with an integer id, then add or update a regression test if the existing test suite has coverage for this assertion. Done means prior calls continue comparing integer route parameters without converting them to strings.

索引モデルが issue の本文から書いたものです。