fix: diff report more object members in actual (#74)

Author: jbee

src/main/java/org/hisp/dhis/jsontree/JsonDiff.java

@@ -197,7 +197,7 @@ private static void diffNumber(JsonNumber e, JsonNumber a, Mode mode, Consumer<D
 
   private static void diffObject(
       JsonObject e, JsonObject a, Mode mode, Consumer<Difference> add, PropertyInfo p) {
-    if (!p.anyAdditional(mode.objects.anyAdditional) && e.size() != a.size()) {
+    if (!p.anyAdditional(mode.objects.anyAdditional)) {
       // list all extra members
       a.keys()
           .filter(not(e::has))

src/test/java/org/hisp/dhis/jsontree/JsonDiffTest.java

@@ -77,6 +77,18 @@ void testObject() {
     assertDiff("{\"a\":[1,2,3]}", "{\"a\":[1,5,3]}", "!= $.a[1]: 2 <> 5");
   }
 
+  @Test
+  void testObject_Pager() {
+    assertDiff(
+        """
+      {"page":1, "pageSize":50}""",
+        """
+      {"paga":1, "pageSize":50.0}""",
+        DEFAULT,
+        "++ $.paga: ? <> 1",
+        "-- $.page: 1 <> ?");
+  }
+
   private interface JsonAnyAnnotationObject extends JsonObject {
 
     @JsonDiff.AnyOrder