Fix the 'expand/collapse button not work on after creating multiple sections on org_admin/template section by pengyin-shan · Pull Request #3151

Fix the 'expand/collapse button not work on after creating multiple sections on org_admin/template section by pengyin-shan · Pull Request #3151 · DMPRoadmap/roadmap

Fixes the 'expand/collapse button not work on after creating multiple sections on /org_admin/template(portagenetwork#166) .

Changes proposed in this PR:

add <a> to click action to make it trigger on this page (the link of expanding/collapse used to not work)
update corresponding behavior and bootstrap class based on this page

This is my first PR to DMPRoadmap (start from a small one haha), so I might miss something. Please let me know if you see any problems. Thank you!