Add script codegen tests with package statements

Tests codegen annotating visitor

compiler/testData/codegen/script/classLiteralInsideFunction.kts

@@ -0,0 +1,19 @@
+package script.long.name.inside.packag
+
+interface I {
+    fun g(): I
+}
+
+fun f(): I {
+    return object : I {
+        override fun g() = object : I {
+            override fun g(): I = this
+
+            override fun toString() = "OK"
+        }
+    }
+}
+
+val rv = f().g().g().g()
+
+// expected: rv: OK