fix(material/docs): change twitter logo (#1245)

Change twitter logo and title to x in homepage/support section

Author: kian23kpt

src/app/shared/support/support.html

@@ -25,10 +25,10 @@
     </li>
     <li>
       <a href="https://twitter.com/angular">
-        <img src="../../../assets/img/homepage/twitter-logo.svg" alt="Twitter icon" loading="lazy">
-        Twitter
+        <img src="../../../assets/img/homepage/x-logo.svg" alt="X icon" loading="lazy">
+        X
       </a>
-      <div class="docs-help-support-description">Connect with &#64;angular on Twitter</div>
+      <div class="docs-help-support-description">Connect with &#64;angular on X</div>
     </li>
     <li>
       <a href="https://blog.angular.io">