[FIX] website: fix a typo in the js file of the snippet popup

We were using 'onExit' instead of 'mouseExit' as the value of the
data-attribute 'display' in the .js code of the s_popup.

task-2312878

closes odoo/odoo#64751

X-original-commit: bca1a13a846b3398a70f12be259a425df140a8f7
Signed-off-by: Jérémy Kersten (jke) <jke@openerp.com>

addons/website/static/src/snippets/s_popup/000.js

@@ -45,7 +45,7 @@ const PopupWidget = publicWidget.Widget.extend({
         let delay = $main.data('showAfter');
 
         if (config.device.isMobile) {
-            if (display === 'onExit') {
+            if (display === 'mouseExit') {
                 display = 'afterDelay';
                 delay = 5000;
             }