Conflict link in check tab is not opening the filechanges tab properly

Reproduction steps:

• Create a change request with a conflict
• In the "Checks" tab, open the panel about the conflict and click on the link

Expected result:

• the filechanges tab is opened and it's possible to browse back to the checks tab by clicking on the tab

Obtained result:

• the filechanges tab is opened, but the tabs links displays as if the check tab is still displayed