Fix Evaluate Expression for inline functions from multifile package class.

Find main class generated for debugger by its name instead of relativePath length.
 #KT-22311 Fixed

idea/testData/debugger/tinyApp/src/forTests/multiFilePackage.kt

@@ -0,0 +1,5 @@
+@file:JvmMultifileClass
+@file:JvmName("NewName")
+package multiFilePackage
+
+inline fun foo(f: () -> Int) = f()