Merge pull request #3903 from xwiki/backport/stable-16.10.x/pr-3899

[stable-16.10.x] XWIKI-22782: Only save modified xobjects (#3899)

xwiki-platform-core/xwiki-platform-oldcore/src/main/java/com/xpn/xwiki/store/XWikiHibernateStore.java

@@ -1181,7 +1181,11 @@ public XWikiDocument loadXWikiDoc(XWikiDocument defaultDocument, XWikiContext in
                                 obj.setXClassReference(localGroupEntityReference);
                                 obj.setNumber(number.intValue());
                                 obj.setStringValue("member", member);
+                                // Mark the property that has just been loaded as clean.
+                                ((BaseProperty<?>) obj.getField("member")).setDirty(false);
                                 doc.setXObject(obj.getNumber(), obj);
+                                // The object just been loaded so make sure it's considered clean
+                                obj.setDirty(false);
                             }
                         }
                     }