Hotfix: add fr_FR locale in Docker dev image + revert config.yml to use Symfony translator

Author: petitalb

Dockerfile

@@ -9,6 +9,7 @@ RUN dpkg-reconfigure --frontend noninteractive tzdata
 RUN apt-get update && apt-get install -y \
     unzip \
     locales \
+    locales-all \
     libpng-dev \
     libfreetype6-dev \
     libjpeg-dev \

app/config/config.yml

@@ -6,14 +6,15 @@ imports:
 # Put parameters here that don't need to change on each machine where the app is deployed
 # https://symfony.com/doc/current/best_practices/configuration.html#application-related-configuration
 parameters:
-  locale: fr_FR.utf8
+  locale: fr_FR
   registration_period: '15 days ago'
   remainder_warning_delay: '15'
   images_tmp_dir: '%kernel.project_dir%/web/tmp'
   github_repo_url: 'elefan-grenoble/gestion-compte'
   github_current_release: 'v1.45.6'
 
 framework:
+  translator: { fallbacks: ['%locale%'] }
   secret: '%secret%'
   router:
     resource: '%kernel.project_dir%/app/config/routing.yml'
@@ -23,6 +24,7 @@ framework:
   validation: { enable_annotations: true }
   templating:
     engines: ['twig']
+  default_locale: '%locale%'
   trusted_hosts: ~
   session:
     # https://symfony.com/doc/current/reference/configuration/framework.html#handler-id