Make sure reCAPTCHA configuration is loaded when spam checks are initiated

Previously it was possible when an issue was updated and Akismet flagged it as spam
that the reCAPTCHA configuration was not loaded.

Closes #33532

app/controllers/concerns/spammable_actions.rb

@@ -17,10 +17,18 @@ module SpammableActions
 
   private
 
+  def ensure_spam_config_loaded!
+    return @spam_config_loaded if defined?(@spam_config_loaded)
+
+    @spam_config_loaded = Gitlab::Recaptcha.load_configurations!
+  end
+
   def recaptcha_check_with_fallback(&fallback)
     if spammable.valid?
       redirect_to spammable
     elsif render_recaptcha?
+      ensure_spam_config_loaded!
+
       if params[:recaptcha_verification]
         flash[:alert] = 'There was an error with the reCAPTCHA. Please solve the reCAPTCHA again.'
       end
@@ -35,7 +43,7 @@ module SpammableActions
     default_params = { request: request }
 
     recaptcha_check = params[:recaptcha_verification] &&
-      Gitlab::Recaptcha.load_configurations! &&
+      ensure_spam_config_loaded! &&
       verify_recaptcha
 
     return default_params unless recaptcha_check

changelogs/unreleased/sh-recaptcha-fix-try2.yml

+---
+title: Make sure reCAPTCHA configuration is loaded when spam checks are initiated
+merge_request:
+author:

spec/controllers/projects/issues_controller_spec.rb

@@ -260,6 +260,7 @@ describe Projects::IssuesController do
             before { allow_any_instance_of(described_class).to receive(:verify_recaptcha).and_return(false) }
 
             it 'rejects an issue recognized as a spam' do
+              expect(Gitlab::Recaptcha).to receive(:load_configurations!).and_return(true)
               expect { update_spam_issue }.not_to change{ issue.reload.title }
             end