Error on fundings while filtering on "Montpellier"

[annelhote]

Describe the bug
If I try to filter fundings on "Montpellier", I get an error 500 page with message "Cannot read properties of undefined (reading 'city')"

To Reproduce
Steps to reproduce the behavior:

1. Go to https://scanr.enseignementsup-recherche.gouv.fr/search/projects
2. Open "Filters" modal
3. On "Filtrer par participants" field, type "mont" and then the error occurs