Create from usage: make new member function/property private by default

#KT-6689 Fixed

idea/testData/quickfix/createFromUsage/createFunction/call/afterPrivateForMembers.kt

@@ -0,0 +1,10 @@
+// "Create function 'foo'" "true"
+class A {
+    fun test() {
+        foo()
+    }
+
+    private fun foo() {
+        throw UnsupportedOperationException("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+}