FIR: Fix loading read-only collection Java types with incorrect variance

core/compiler.common.jvm/src/org/jetbrains/kotlin/load/java/structure/javaTypes.kt

@@ -43,3 +43,5 @@ interface JavaWildcardType : JavaType {
     val bound: JavaType?
     val isExtends: Boolean
 }
+
+fun JavaType?.isSuperWildcard(): Boolean = (this as? JavaWildcardType)?.let { it.bound != null && !it.isExtends } ?: false

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/lazy/types/JavaTypeResolver.kt

@@ -184,8 +184,6 @@ class JavaTypeResolver(
     private fun JavaClassifierType.argumentsMakeSenseOnlyForMutableContainer(
         readOnlyContainer: ClassDescriptor
     ): Boolean {
-        fun JavaType?.isSuperWildcard(): Boolean = (this as? JavaWildcardType)?.let { it.bound != null && !it.isExtends } ?: false
-
         if (!typeArguments.lastOrNull().isSuperWildcard()) return false
         val mutableLastParameterVariance = JavaToKotlinClassMapper.convertReadOnlyToMutable(readOnlyContainer)
             .typeConstructor.parameters.lastOrNull()?.variance ?: return false