2490: Refactor to improve code clarity and adhere to standards

Added //NOPMD comments to suppress PMD warnings on JLabel fields. Updated method signatures to use final for consistency and improved readability.

Author: VitaliyBoyko

src/main/java/com/magento/idea/magento2plugin/actions/generation/dialog/NewLayoutTemplateDialog.java

@@ -61,9 +61,9 @@ public class NewLayoutTemplateDialog extends AbstractDialog {
     private JComboBox<ComboBoxItemData> area;
 
     // labels
-    private JLabel layoutNameLabel;
-    private JLabel areaLabel;
-    private JLabel layoutNameErrorMessage;
+    private JLabel layoutNameLabel; //NOPMD
+    private JLabel areaLabel; //NOPMD
+    private JLabel layoutNameErrorMessage; //NOPMD
 
     /**
      * Constructs a new dialog for creating a layout templates.
@@ -90,7 +90,7 @@ public NewLayoutTemplateDialog(final Project project, final PsiDirectory directo
         setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
         addWindowListener(new WindowAdapter() {
             @Override
-            public void windowClosing(WindowEvent event) {
+            public void windowClosing(final WindowEvent event) {
                 onCancel();
             }
         });

src/main/java/com/magento/idea/magento2plugin/actions/generation/dialog/NewSetupDataPatchDialog.java

@@ -83,7 +83,7 @@ public NewSetupDataPatchDialog(
         setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
         addWindowListener(new WindowAdapter() {
             @Override
-            public void windowClosing(WindowEvent event) {
+            public void windowClosing(final WindowEvent event) {
                 onCancel();
             }
         });