Merge branch 'pr-35196' into 2.4-develop-prs

Author: ishakhsuvarov

app/code/Magento/Checkout/view/frontend/web/js/view/form/element/email.js

@@ -53,6 +53,7 @@ define([
         isCustomerLoggedIn: customer.isLoggedIn,
         forgotPasswordUrl: window.checkoutConfig.forgotPasswordUrl,
         emailCheckTimeout: 0,
+        emailInputId: '#customer-email',
 
         /**
          * Initializes regular properties of instance.
@@ -108,6 +109,8 @@ define([
         checkEmailAvailability: function () {
             this.validateRequest();
             this.isEmailCheckComplete = $.Deferred();
+            // Clean up errors on email
+            $(this.emailInputId).removeClass('mage-error').parent().find('.mage-error').remove();
             this.isLoading(true);
             this.checkRequest = checkEmailAvailability(this.isEmailCheckComplete, this.email());