Fix stub generation for special built-ins

Do not generate stubs if there is no special bridge in the current class
- there are already Kotlin super class in hierarchy
- special bridge has the same signature as method itself

 #KT-11915 Fixed

compiler/testData/codegen/box/specialBuiltins/entrySetSOE.kt

@@ -0,0 +1,15 @@
+import java.util.*
+
+open class Map1 : HashMap<String, Any?>()
+class Map2 : Map1()
+fun box(): String {
+    val m = Map2()
+    if (m.entries.size != 0) return "fail 1"
+
+    m.put("56", "OK")
+    val x = m.entries.iterator().next()
+
+    if (x.key != "56" || x.value != "OK") return "fail 2"
+
+    return "OK"
+}