Fix logic for searching inner classes in LazyResolveBasedCache.findInPackageFragments()

#KT-14058 Fixed

idea/testData/multiFileHighlighting/missingDependencyClass.kt

@@ -0,0 +1,5 @@
+package dependencies
+
+fun test() {
+    val <warning>bar</warning> = A.bar(A.myList) // MISSING_DEPENDENCY_CLASS foo.Foo.Bar
+}