Fixed:
- decidim-core: Add readonly attribute to date_fields so that the user is forced to use the datepicker. #3705
- decidim-assemblies: Let space users access the admin area from the public one #3683
- decidim-participatory_processes: Let space users access the admin area from the public one #3683
- decidim-assemblies: Let assembly admins access all content #3706
- decidim-admin: Let user managers access the public space #3723