Do not step into package facade class if SKIP_SYNTHETIC_METHODS flag is true

idea/testData/debugger/tinyApp/src/filters/stepIntoStdlib.kt

@@ -7,5 +7,5 @@ fun main(args: Array<String>) {
     val b = 1
 }
 
-// STEP_INTO: 2
+// STEP_INTO: 1
 // TRACING_FILTERS_ENABLED: false

idea/testData/debugger/tinyApp/src/filters/stepIntoStdlibFacadeClass.kt

@@ -0,0 +1,12 @@
+package stepIntoStdlibFacadeClass
+
+fun main(args: Array<String>) {
+    val a = intArray(1)
+    //Breakpoint!
+    a.withIndex()
+    val b = 1
+}
+
+// STEP_INTO: 2
+// TRACING_FILTERS_ENABLED: false
+// SKIP_SYNTHETIC_METHODS: false