Restructure omni services and add Chatwoot research snapshot

research/chatwoot/enterprise/app/services/messages/reindex_service.rb

@@ -0,0 +1,15 @@
+class Messages::ReindexService
+  pattr_initialize [:account!]
+
+  def perform
+    return unless ChatwootApp.advanced_search_allowed?
+
+    reindex_messages
+  end
+
+  private
+
+  def reindex_messages
+    account.messages.reindex(mode: :async)
+  end
+end