Fix broken language select for trainer form

Author: fbacall

app/models/profile.rb

@@ -94,7 +94,7 @@ def check_public
   end
 
   def reindex
-    if Rails.env.production?
+    if TeSS::Config.solr_enabled
       Trainer.reindex
     end
   end

app/views/users/_form.html.erb

@@ -57,9 +57,8 @@
                       label: 'Training Experience', prompt: 'Select a level of experience...',
                       input_html: { title: t('profile.hints.experience') } %>
 
-          <%= f.input :language, options: language_options_for_select,
-                         label: 'Languages Spoken', model_name: 'user[profile_attributes]', as: :select,
-             input_html: { class: 'js-select2' },
+          <%= f.dropdown :language, options: language_options_for_select,
+                         label: t('simple_form.labels.profile.language'), model_name: 'user[profile_attributes]', as: :select,
                          errors: @user.profile.errors[:language], title: t('profile.hints.language') %>
 
           <%= f.multi_input :expertise_academic, label: 'Academic expertise',

config/locales/en.yml

@@ -972,3 +972,5 @@ en:
         visible: Show this material?
       user:
         check_broken_scrapers: Receive emails with scrapers that have not found anything last period.
+      profile:
+        language: Languages Spoken