Merge pull request 'Fix tenant-related error retrieving captcha' (#168) from fix-tenant-captcha into main

Reviewed-on: #168

app/controllers/captcha_controller.rb

@@ -10,4 +10,10 @@ class CaptchaController < ApplicationController
       media_url: media_captcha_index_url(id:)
     }, status: :created
   end
+
+  private
+
+  def set_tenant
+    ActsAsTenant.current_tenant = nil
+  end
 end