fix KT-9843 Bug in incremental compilation: module is not recompiled when optional parameter added

and KT-8434 Removing parameter with default value from function in different module breaks incremental compilation

#KT-9843 Fixed

#KT-8434 Fixed

compiler/testData/writeFlags/function/withDefaultArguments/funInClassObject.kt

@@ -0,0 +1,9 @@
+class MyClass() {
+    companion object {
+        fun test(s: String, x:Int = 10) {}
+    }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: MyClass$Companion, test$default
+// FLAGS: ACC_PUBLIC, ACC_STATIC, ACC_BRIDGE, ACC_SYNTHETIC