More elegant way to achieve the same + fixed KT-7746 Top level package name completion does not work inside class body

#KT-7746 Fixed

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/java/descriptors/SamConstructorDescriptor.kt

@@ -35,4 +35,6 @@ public class SamConstructorDescriptor(
 
 public object SamConstructorDescriptorKindExclude : DescriptorKindExclude {
     override fun matches(descriptor: DeclarationDescriptor) = descriptor is SamConstructorDescriptor
+
+    override val fullyExcludedDescriptorKinds: Int get() = 0
 }