Fix in test bad behaviour of smart step into for stored lambda

When lambda is stored and not executed immediately, smart step into
doesn't work.

idea/testData/debugger/tinyApp/src/stepping/custom/smartStepIntoStoredLambda.kt

@@ -0,0 +1,17 @@
+package smartStepIntoStoredLambda
+
+fun foo(a: Any) {}
+
+fun store(a: () -> Unit): () -> Unit {
+    return a
+}
+
+fun main(args: Array<String>) {
+    // SMART_STEP_INTO_BY_INDEX: 2
+    //Breakpoint!
+    val some = store() {
+        foo("hi")
+    }
+
+    some()
+}