Navigation: Fix navigation to library sources for Kotlin constructors

idea/testData/decompiler/navigation/usercode/Constructor.kt

@@ -1,6 +1,8 @@
 import testData.libraries.*
 
 val x: ClassWithConstructor = ClassWithConstructor("abc", 239)
+val xx: ClassWithConstructor = ClassWithConstructor("abc")
 
 // main.kt
-//public class <1><2>ClassWithConstructor(val a: String, b: Any)
+//public class <1><3>ClassWithConstructor<2>(val a: String, b: Any) {
+//    <4>constructor(a: String): this(a, a)