[FIX] website_form, *: remove "Shown on mobile" opt for hidden fields

*: website

Part of https://github.com/odoo/odoo/pull/47949
task-2011583

addons/website/static/src/js/editor/snippets.options.js

@@ -2587,6 +2587,21 @@ options.registry.ScrollButton = options.Class.extend({
     },
 });
 
+options.registry.MobileVisibility = options.Class.extend({
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * @override
+     */
+    async _computeVisibility() {
+        // Same as default but overridden by other apps
+        return true;
+    },
+});
+
 return {
     UrlPickerUserValueWidget: UrlPickerUserValueWidget,
     FontFamilyPickerUserValueWidget: FontFamilyPickerUserValueWidget,

addons/website/views/snippets/snippets.xml

@@ -481,7 +481,7 @@
     </div>
 
     <!-- Mobile display options -->
-    <div data-js="MobileVisibility" data-option-name="showMobile" data-selector="section .row > div"
+    <div data-js="MobileVisibility" data-selector="section .row > div"
          data-exclude=".s_col_no_resize.row > div">
         <we-checkbox string="Shown On Mobile" data-show-on-mobile="true" data-no-preview="true"/>
     </div>

addons/website_form/static/src/snippets/s_website_form/options.js

@@ -4,6 +4,7 @@ odoo.define('website_form_editor', function (require) {
 const core = require('web.core');
 const FormEditorRegistry = require('website_form.form_editor_registry');
 const options = require('web_editor.snippets.options');
+require('website.editor.snippets.options');
 
 const qweb = core.qweb;
 const _t = core._t;
@@ -1149,4 +1150,21 @@ options.registry.WebsiteFormSubmitRequired = DisableOverlayButtonOption.extend({
         return this._super.apply(this, arguments);
     }
 });
+
+// Disable "Shown on Mobile" option if for an hidden field
+options.registry.MobileVisibility.include({
+
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    /**
+     * @override
+     */
+    async _computeVisibility() {
+        // Same as default but overridden by other apps
+        return await this._super(...arguments)
+            && !this.$target.hasClass('s_website_form_field_hidden');
+    },
+});
 });