[IMP] web, web_tour: no dropdown for only one CTA

**PURPOSE:**
When there's only one CTA, the Action button is not necessary and add one extra clicks.

**SPECIFICATION:**
When there's only one CTA, do no group in an Action button.

**LINKS:**
Task ID: 2225270

closes odoo/odoo#51265

Related: odoo/enterprise#10602
Signed-off-by: Adrien Dieudonné (adr) <adr@odoo.com>

addons/web/static/src/js/views/form/form_renderer.js

@@ -546,16 +546,16 @@ var FormRenderer = BasicRenderer.extend(WidgetAdapterMixin, {
      */
     _renderHeaderButtons: function (node) {
         var self = this;
-        var $buttons = $('<div>', {class: 'o_statusbar_buttons'});
+        var buttons = [];
         _.each(node.children, function (child) {
             if (child.tag === 'button') {
-                $buttons.append(self._renderHeaderButton(child));
+                buttons.push(self._renderHeaderButton(child));
             }
             if (child.tag === 'widget') {
-                $buttons.append(self._renderTagWidget(child));
+                buttons.push(self._renderTagWidget(child));
             }
         });
-        return $buttons;
+        return this._renderStatusbarButtons(buttons);
     },
     /**
      * @private
@@ -743,6 +743,16 @@ var FormRenderer = BasicRenderer.extend(WidgetAdapterMixin, {
         this._registerModifiers(node, this.state, $button);
         return $button;
     },
+    /**
+     * @private
+     * @param {Array} buttons
+     * @return {jQueryElement}
+     */
+    _renderStatusbarButtons: function (buttons) {
+        var $statusbarButtons = $('<div>', {class: 'o_statusbar_buttons'});
+        buttons.forEach(button => $statusbarButtons.append(button));
+        return $statusbarButtons;
+    },
     /**
      * @private
      * @param {Object} page

addons/web_tour/static/src/js/tour_step_utils.js

@@ -102,10 +102,15 @@ return core.Class.extend({
         return [
             {
                 mobile: true,
-                trigger: '.o_statusbar_buttons .btn.dropdown-toggle:contains(Action)',
+                auto: true,
+                trigger: '.o_statusbar_buttons',
                 extra_trigger: extraTrigger,
-                content: _t('Open Action Dropdown Menu.'),
-                position: 'bottom',
+                run: actions => {
+                    const $action = $('.o_statusbar_buttons .btn.dropdown-toggle:contains(Action)');
+                    if ($action.length) {
+                        actions.click($action);
+                    }
+                },
             }, {
                 trigger: `.o_statusbar_buttons button:enabled:contains('${innerTextButton}')`,
                 content: description,