MC-41896: Fix jQuery submit calls

Author: svera

app/code/Magento/Catalog/view/adminhtml/web/catalog/product/composite/configure.js

@@ -365,7 +365,7 @@ define([
             if (Object.isFunction(this.beforeSubmitCallback[this.current.listType])) {
                 this.beforeSubmitCallback[this.current.listType]();
             }
-            this.blockForm.trigger('submit');
+            this.blockForm.submit();
 
             // Show loader
             jQuery(this.blockForm).trigger('processStart');

app/code/Magento/ImportExport/view/adminhtml/templates/export/form/before.phtml

@@ -89,7 +89,7 @@ require([
                 url += '/fields_enclosure/' + \$F('fields_enclosure');
             }
             form.action = url;
-            form.trigger('submit');
+            form.submit();
             form.action   = oldAction;
         } else {
             alert({

app/code/Magento/Newsletter/view/adminhtml/templates/preview/iframeswitcher.phtml

@@ -39,7 +39,7 @@ var previewIframe = $('preview_iframe');
 function preview() {
     previewForm.writeAttribute('target', previewIframe.readAttribute('id'));
     blockPreview();
-    previewForm.trigger('submit');
+    previewForm.submit();
 }
 
 function blockPreview() {

app/code/Magento/Paypal/view/frontend/web/js/paypal-checkout.js

@@ -89,7 +89,11 @@ define([
                 }
                 $(ppCheckoutInput).val(returnUrl);
 
-                $form.trigger('submit');
+                if ($form instanceof jQuery) {
+                    $form.trigger('submit');
+                } else {
+                    $form.submit();
+                }
             } else {
                 $.mage.redirect(returnUrl);
             }

app/code/Magento/Swatches/view/adminhtml/web/js/form/element/swatch-visual.js

@@ -165,7 +165,6 @@ define([
 
                 /**
                  * form component for upload image
-                 * @type {jQuery}
                  */
                 form: null,
 
@@ -242,7 +241,7 @@ define([
 
                 swatchComponents.iframe.off('load');
                 swatchComponents.iframe.load(iframeHandler);
-                swatchComponents.form.trigger('submit');
+                swatchComponents.form.submit();
                 $(this).val('');
             });
 

app/code/Magento/Swatches/view/adminhtml/web/js/visual.js

@@ -299,7 +299,6 @@ define([
 
                 /**
                  * form component for upload image
-                 * @type {jQuery}
                  */
                 form: null,
 
@@ -376,7 +375,7 @@ define([
 
                 swatchComponents.iframe.off('load');
                 swatchComponents.iframe.load(iframeHandler);
-                swatchComponents.form.trigger('submit');
+                swatchComponents.form.submit();
                 $(this).val('');
             });
 

lib/web/mage/adminhtml/grid.js

@@ -420,7 +420,7 @@ define([
                 form.append(input);
             });
             jQuery('[data-container="body"]').append(form);
-            form.trigger('submit');
+            form.submit();
             form.remove();
         },
 
@@ -1155,12 +1155,7 @@ define([
                 });
             } else if (item.url) {
                 this.form.action = item.url;
-
-                if (this.form instanceof jQuery) {
-                    this.form.trigger('submit');
-                } else {
-                    this.form.submit();
-                }
+                this.form.submit();
             }
         },