feat: keep mobile conversation replies keyboard-safe (#323)

frontend/index.html

@@ -536,6 +536,7 @@
 <script src="static/mobile-launch.js"></script>
 <script src="static/install-app.js"></script>
 <script src="static/mobile-search-viewport.js"></script>
+<script src="static/mobile-composer-viewport.js"></script>
 <script src="static/dashboard.js"></script>
 </body>
 </html>