Debugger: Navigate to the right file in MPP projects (#KT-25152, #KT-25147)

idea/testData/debugger/fileRanking/differentFlags.kt

@@ -0,0 +1,21 @@
+// DO_NOT_CHECK_CLASS_FQNAME
+
+//FILE: a/a.kt
+package a
+
+class A private constructor() {
+    protected fun a() {
+        val a = 5
+    }
+}
+
+//FILE: b/a.kt
+
+//significant whitespace
+package b
+
+class A public constructor() {
+    private fun a() {
+        val a = 5
+    }
+}