New J2K: handle correctly short names which are imported by default in kotlin (like List or Result)

Kotlin default import inserter was unable to correctly insert such imports

#KT-34165 fixed

nj2k/testData/newJ2k/mutableCollections/Iterator.kt

@@ -1,3 +1,5 @@
+import java.util.HashMap
+
 internal class IteratorTest {
     var mutableMap1: MutableMap<String, String> = HashMap()
     var mutableMap2: MutableMap<String, String> = HashMap()