[IMP] web_editor, website, website_sale: hide block in desktop display

Since [1] it is possible to request that some blocks are not displayed
on mobile devices.
This commit adds a similar option to prevent blocks from being displayed
on desktops (i.e. on non-mobile devices).

[1]: https://github.com/odoo/odoo/commit/9463f0f889f9dd8da6077895c125da4998a933c0

task-2900730

closes odoo/odoo#101483

X-original-commit: 3103e0553011b5c1f4078972d7a88fa3fd4068b2
Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>
Co-authored-by: Antoine (anso) <anso@odoo.com>

addons/website/static/src/components/wysiwyg_adapter/wysiwyg_adapter.js

@@ -674,6 +674,17 @@ export class WysiwygAdapterComponent extends ComponentAdapter {
     _onContextGet(event) {
         return event.data.callback(this._context);
     }
+    /**
+     * Retrieves the website service context.
+     *
+     * @private
+     * @param {OdooEvent} ev
+     */
+    _onServiceContextGet(ev) {
+        ev.data.callback({
+            isMobile: this.websiteService.context.isMobile,
+        });
+    }
     /**
      * Discards changes and reload the iframe.
      *
@@ -841,6 +852,7 @@ WysiwygAdapterComponent.prototype.events = {
     'gmap_api_key_request': '_onRootEventRequest',
     'request_save': '_onSaveRequest',
     'context_get': '_onContextGet',
+    'service_context_get': '_onServiceContextGet',
     'action_demand': '_handleAction',
     'request_cancel': '_onCancelRequest',
     'snippet_will_be_cloned': '_onSnippetWillBeCloned',