set fr as default locale v2

tasks/gnometweaks.yml

@@ -8,9 +8,7 @@
     state: present
 
 - name: Mettre FR en tant que langue (locale) par défaut
-  community.general.locale_gen:
-    name: fr_FR.UTF-8
-    state: present
+  command: localectl set-locale LANG=fr_FR.UTF-8 LC_ALL=fr_FR.UTF-8
 
 - name: Add 'user' profile to dconf
   template: