[Legacy Settings] Enable Save button on pages with tables (#51102)

plugins/woocommerce/changelog/51102-fix-settings-js-save-activation

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Fix Settings Save button when WP List Tables are present

plugins/woocommerce/client/legacy/js/admin/settings.js

@@ -98,9 +98,10 @@
 				event
 			) {
 				// Toggling WP List Table checkboxes should not trigger navigation warnings.
+				// Theses checkboxes only select/unselect rows, they don't change the form.
 				if (
 					$check_column.length &&
-					$check_column.has( event.target )
+					$check_column.has( event.target ).length
 				) {
 					return;
 				}