Faces Standard Converters CDI ApplicationScoped

Add `@ApplicationScoped` on _stateless_ converters (BigInteger, BigDecimal, Float, .... )

1 line of code for each class, simple and effective

Locate the standard stateless converter classes for BigInteger, BigDecimal, Float, and the other converters covered by the issue. Review how these converters are declared, add the requested CDI application scope consistently, and verify that each listed converter is covered.

Written by the indexing model from the issue text.