EXM-56554 Use embed video url

Author: octavianN

topics/ai_autocompletion.dita

@@ -30,7 +30,7 @@
             suggestions directly at the caret position in Text mode. The feature reduces repetitive
             typing, speeds up authoring, and helps you keep structures consistent in technologies
             such as <b>XSLT</b>, <b>XSD</b>, <b>JSON Schema</b>, <b>Schematron</b>, and others.</p>
-        <object data="https://youtu.be/Por8d-MoNqQ" outputclass="iframe" width="853" height="480">
+        <object data="https://www.youtube.com/embed/Por8d-MoNqQ?si=EIgaLs61apSWPtFZ" outputclass="iframe" width="560" height="315">
             <param name="allowfullscreen"/>
         </object>
         <section id="what-it-brings">