Fixed hidden vendor field validation bug

Author: drpayyne

src/com/magento/idea/magento2plugin/actions/generation/dialog/NewModuleDialog.java

@@ -158,6 +158,7 @@ private void detectPackageName(final @NotNull PsiDirectory initialBaseDir) {
             packageName.setVisible(false);
             packageNameLabel.setVisible(false);
             this.detectedPackageName = initialBaseDir.getName();
+            packageName.setText(this.detectedPackageName);
         }
     }