FIX: Skip poll tutorial if user cannot create polls (#9058)

plugins/discourse-narrative-bot/lib/discourse_narrative_bot/advanced_user_narrative.rb

@@ -82,7 +82,7 @@ module DiscourseNarrativeBot
       },
 
       tutorial_poll: {
-        prerequisite: Proc.new { SiteSetting.poll_enabled },
+        prerequisite: Proc.new { SiteSetting.poll_enabled && @user.has_trust_level?(SiteSetting.poll_minimum_trust_level_to_create) },
         next_state: :tutorial_details,
         next_instructions: Proc.new { I18n.t("#{I18N_KEY}.details.instructions", i18n_post_args) },
         reply: {

plugins/discourse-narrative-bot/spec/discourse_narrative_bot/advanced_user_narrative_spec.rb

@@ -556,12 +556,29 @@ RSpec.describe DiscourseNarrativeBot::AdvancedUserNarrative do
         end
       end
 
-      describe 'when poll is disabled' do
-        before do
+      describe 'when user cannot create polls' do
+        it 'should create the right reply (polls disabled)' do
           SiteSetting.poll_enabled = false
+
+          TopicUser.change(
+            user.id,
+            topic.id,
+            notification_level: TopicUser.notification_levels[:tracking]
+          )
+
+          expected_raw = <<~RAW
+            #{I18n.t('discourse_narrative_bot.advanced_user_narrative.change_topic_notification_level.reply', base_uri: '')}
+
+            #{I18n.t('discourse_narrative_bot.advanced_user_narrative.details.instructions', base_uri: '')}
+          RAW
+
+          expect(Post.last.raw).to eq(expected_raw.chomp)
+          expect(narrative.get_data(user)[:state].to_sym).to eq(:tutorial_details)
         end
 
-        it 'should create the right reply' do
+        it 'should create the right reply (insufficient trust level)' do
+          user.update(trust_level: 0)
+
           TopicUser.change(
             user.id,
             topic.id,