[FIR] Fix ClassCastException when rendering ACTUAL_WITHOUT_EXPECT

#KT-57320

analysis/analysis-api-fir/analysis-api-fir-generator/src/org/jetbrains/kotlin/analysis/api/fir/generator/HLDiagnosticConverter.kt

@@ -361,6 +361,7 @@ internal object FirToKtConversionCreator {
         FqName::class,
         ClassId::class,
         FirModuleData::class,
+        ExpectActualCompatibility::class,
         ExpectActualCompatibility.Incompatible::class,
         DeprecationInfo::class,
         ApiVersion::class,