Show delegated methods when "Show inherited" enabled in file structure view

idea/testData/structureView/fileStructure/InheritedDelegationMethods.Data.kt

@@ -0,0 +1,9 @@
+trait Some {
+    fun first()
+    fun second()
+}
+
+class ClassSome: Some {
+    override fun first() {}
+    override fun second() {}
+}