[BUGFIX] Do not include google captcha when disabled in settings

Fixes: #26
Releases: master, 9.1, 9.0, 8.7

Resources/Private/Templates/Comment/Form.html

@@ -77,7 +77,7 @@ <h3 class="comment-title">
                             <p><span class="tx-blog-comment-required"><f:translate key="label.required.field"/> <f:translate
                                 key="label.required.field.explanation"/></span></p>
 
-                            <f:if condition="{settings.comments.google_recaptcha}">
+                            <f:if condition="{settings.comments.google_recaptcha._typoScriptNodeValue}">
                                 <script src="https://www.google.com/recaptcha/api.js"></script>
                                 <div class="g-recaptcha"
                                      data-sitekey="{settings.comments.google_recaptcha.website_key}"></div>