Navbar appears twice on "sharing" page
Description
When I create a form and then I click the "Share" button to access the URL, iframe eg. the header changes and the element "navbar-nav" appears twice
Steps to Reproduce
- Connect to framaforms.org
- Create a form
- Click "Share" on the top right hand corner
Expected behaviour:
The navbar should appear once
Actual behaviour:
The navbar appears twice
Context
- The form: https://framaforms.org/form-test-1623162250
- The URL of the sharing page: https://framaforms.org/form-test-1623162250/share
- Linux Mint 20.1 Cinnamon
- Firefox 89.0