ECMS-4668: No "Edit Site Navigation" item in Navigation tool bar for group page - commit and fix hunk for 4.0

Problem analysis
	- Not handle Group Navigation case

Fix descritpion
	- Hanlde Navigation by object type

Conflicts:

	core/services/src/main/java/org/exoplatform/services/wcm/navigation/NavigationUtils.java
	core/webui/src/main/java/org/exoplatform/wcm/webui/Utils.java