admin: fix user edit

app/services/admins/update_user_service.rb

@@ -10,6 +10,8 @@ class Admins::UpdateUserService < ApplicationService
 
   def call
     user.assign_attributes(user_attributes)
+    user.mail = params[:mail].to_s.presence
+    user.phone = params[:phone].to_s.presence
     user.firstname = ''
     user.password = params[:password] if params[:password].present?