MakeOverriddenMemberOpenFix: should update actual members

#KT-32586 Fixed

idea/testData/multiModuleQuickFix/makeOverridenMemberOpen/actual/common/common.kt

@@ -0,0 +1,3 @@
+expect open class OClass() {
+    val overrideMe: String
+}

idea/testData/multiModuleQuickFix/makeOverridenMemberOpen/actual/common/common.kt.after

@@ -0,0 +1,3 @@
+expect open class OClass() {
+    val overrideMe: String
+}