Fix Rubocop offenses

Author: MrSerth

app/controllers/tasks_controller.rb

@@ -107,7 +107,7 @@ def import_start # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
     end
   rescue ProformaXML::ProformaError => e
     messages = prettify_import_errors(e)
-    flash[:alert] = messages
+    flash.now[:alert] = messages
     render json: {
       status: 'failure',
       message: t('.error', error: messages),
@@ -209,9 +209,9 @@ def export_external_confirm
 
   def generate_test
     GptService::GenerateTests.call(task: @task, openai_api_key: current_user.openai_api_key)
-    flash[:notice] = I18n.t('tasks.task_service.gpt_generate_tests.successful_generation')
+    flash.now[:notice] = I18n.t('tasks.task_service.gpt_generate_tests.successful_generation')
   rescue Gpt::Error => e
-    flash[:alert] = e.localized_message
+    flash.now[:alert] = e.localized_message
   ensure
     redirect_to @task
   end

config/application.rb

@@ -31,7 +31,7 @@ class Application < Rails::Application
     # config.eager_load_paths << Rails.root.join("extras")
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
-    config.i18n.load_path += Dir[Rails.root.join('config/locales/**/*.{rb,yml}')]
+    config.i18n.load_path += Rails.root.glob('config/locales/**/*.{rb,yml}')
     # config.i18n.default_locale = :de
     config.i18n.available_locales = %i[de en]