Changing section editing in xwiki.cfg is ignored until the browser cache is cleared

How to reproduce:

• access an XWiki page with multiple sections from the browser, with cache activated (make sure there is no developer tools option that is disabling cache)
  • for example the Sandbox page
• the section edit buttons (crayons) are visible next to each chapter of the page
• update xwiki.section.edit in xwiki.cfg of your wiki, set it to 0 or comment the line (since the default seems to be 0)
• restart XWiki
• access the same page from the browser using normal navigation
  • make sure you don't hard refresh the page or anything
  • make sure you don't have any dev tools option disabling cache

Expected result:

• no section edit buttons are visible next to the title of the chapters of the page, there is no section editing

Actual result:

• nothing changes, the section edit buttons (crayons) are still visible next to each chapter of the page