Dev-Umgebung: Kompatibilität für PHP 8.3 + Smarty 4.5.6

- Smarty 4.1.1 → 4.5.6 (behebt dynamic property deprecations)
- Core-Klassen: #[\AllowDynamicProperties] für Admin_role, base, Config,
  Customer, Customer_group, CustomerGroups, Item, Structure, website
- website.class.php: counts[parent_id] initialisieren vor ++ (PHP 8.1)
- layout.class.php: HTTP_ACCEPT_LANGUAGE mit isset-Guard
- website_init.php: session_status()-Check vor session_start
- .htaccess: HTTPS-Redirect via X-Forwarded-Proto (statt SERVER_PORT)
- themes/easyshop_advanced/media/: Parent-Theme-Assets nachgezogen
- .gitignore: smarty.4.1.1.bak ausschließen

themes/easyshop_advanced/media/js/EasywayShop.js

@@ -0,0 +1,36 @@
+var EasywayShop = {
+		addressFormIsValid: function (selector) {
+			var address_defaults,
+				isValid;
+			
+			isValid = true;
+			
+			address_defaults = {
+				company: 'Firma',
+				firstname: 'Vorname',
+				surname: 'Nachname',
+				street: 'Strasse',
+				house_number: 'Housenummer',
+				zip_code: 'Postleitzahl',
+				city: 'Ort',
+				honorific: 'default',
+				country: 'default'
+			};
+			
+			$.each(address_defaults, function(key, value) {
+				if($(':input[name="' + key + '"]').val() == value) {
+					if (key == 'honorific' || key == 'country') {
+						$(':input[name="' + key + '"]').addClass('required');
+						
+						isValid = false;
+					} else {
+						$('input[name="' + key + '"]').val('').addClass('required');
+						
+						isValid = false;
+					}
+				}
+			});
+			
+			return isValid;
+		}
+}