OSIS-4203 update context only if current row founded
OSIS-4203 update context only if current row founded

	modified:   base/templatetags/navigation.py

uclouvain/osis,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis