Also adds rendering of @Metadata annotations in Kapt3 and Kapt4 tests
(currently disabled for a few tests).
Co-authored-by: Alexander Udalov <alexander.udalov@jetbrains.com>
Behavior differs between JVM and JVM_IR backends here because in JVM,
the class descriptor comes from the frontend, and its modality for enum
is never final. For JVM IR, the class descriptor is based on IrClass,
whose modality is sometimes final for enum, presumably because it's
easier for backends (see `ClassGenerator.getEffectiveModality`).
#KT-49682