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

#KT-14058 Fixed

idea/testData/multiFileHighlighting/dependencies/A.java

@@ -0,0 +1,14 @@
+package dependencies;
+
+import sealedClass.Foo;
+
+public class A {
+    public static class B<T> {
+    }
+
+    public static B<Foo.Bar> myList = null;
+
+    public static <T> T bar(B<T> tb) {
+        return null;
+    }
+}

idea/testData/multiFileHighlighting/dependencies/sealedClass.kt

@@ -0,0 +1,5 @@
+package sealedClass
+
+sealed class Foo {
+    class Bar : Foo()
+}

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
+}