Hide notices on onboarding screen

[MAILPOET-4536]

mailpoet/assets/css/src/components-automation-listing/_listing.scss

@@ -6,6 +6,12 @@
   }
 }
 
+.mailpoet-automation-is-onboarding {
+  .notice {
+    display: none;
+  }
+}
+
 .mailpoet-automation-listing-heading {
   margin-bottom: 16px;
 }

mailpoet/assets/js/src/automation/automation.tsx

@@ -1,3 +1,4 @@
+import { useEffect } from 'react';
 import ReactDOM from 'react-dom';
 import { BrowserRouter } from 'react-router-dom';
 import { TopBarWithBeamer } from 'common/top_bar/top_bar';
@@ -19,6 +20,18 @@ import {
 function Content(): JSX.Element {
   const count = useSelect((select) => select(storeName).getWorkflowCount());
   const content = count > 0 ? <AutomationListing /> : <HeroSection />;
+
+  // Hide notices on onboarding screen
+  useEffect(() => {
+    const onboardingClass = 'mailpoet-automation-is-onboarding';
+    const element = document.querySelector('body');
+    if (count === 0 && !element.classList.contains(onboardingClass)) {
+      element.classList.add(onboardingClass);
+    }
+    if (count > 0 && element.classList.contains(onboardingClass)) {
+      element.classList.remove(onboardingClass);
+    }
+  }, [count]);
   return (
     <>
       {content}

mailpoet/lib/Config/Menu.php

@@ -434,7 +434,8 @@ class Menu {
     if (!$this->featuresController->isSupported(FeaturesController::AUTOMATION)) {
       return;
     }
-    $this->wp->addSubmenuPage(
+
+    $automationPage = $this->wp->addSubmenuPage(
       self::MAIN_PAGE_SLUG,
       $this->setPageTitle(__('Automations', 'mailpoet')),
       // @ToDo Remove Beta once Automation is no longer beta.
@@ -465,6 +466,11 @@ class Menu {
     );
 
     // add body class for automation editor page
+    $this->wp->addAction('load-' . $automationPage, function() {
+      $this->wp->addFilter('admin_body_class', function ($classes) {
+        return ltrim($classes . ' mailpoet-automation-is-onboarding');
+      });
+    });
     $this->wp->addAction('load-' . $automationEditorPage, function() {
       $this->wp->addFilter('admin_body_class', function ($classes) {
         return ltrim($classes . ' site-editor-php');