Product Editor: Fix NPE in launcher section / macOS bundle url types

Corner case (no <launcher> element present, yet) was missed in eclipse-pde#1326.

Fixes eclipse-pde#1443.

ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/ui/editor/product/LauncherSection.java

@@ -419,7 +419,10 @@ public MacBundleUrlTypesComposite(Composite comp, FormToolkit toolkit) {
  fBundleUrlTypesTable.setLabelProvider(new LabelProvider());
  fBundleUrlTypesTable.setContentProvider((IStructuredContentProvider) inputElement -> {
  if (inputElement instanceof IProduct product) {
- return product.getLauncherInfo().getMacBundleUrlTypes().toArray();
+ ILauncherInfo launcherInfo = product.getLauncherInfo();
+ if (launcherInfo != null) {
+ return launcherInfo.getMacBundleUrlTypes().toArray();
+ }
  }
  return new Object[0];
  });
@@ -477,14 +480,14 @@ private void openBundleURLTypeDialog(IMacBundleUrlType propertyToEdit, Set<IMacB
  }
 
  private Set<IMacBundleUrlType> getExistingBundleUrlTypes() {
- return new HashSet<>(getProduct().getLauncherInfo().getMacBundleUrlTypes());
+ return new HashSet<>(getLauncherInfo().getMacBundleUrlTypes());
  }
 
  private void handleRemove() {
  IStructuredSelection ssel = fBundleUrlTypesTable.getStructuredSelection();
  if (!ssel.isEmpty()) {
  List<IMacBundleUrlType> bundleUrlTypes = ssel.toList();
- getProduct().getLauncherInfo().removeMacBundleUrlTypes(bundleUrlTypes);
+ getLauncherInfo().removeMacBundleUrlTypes(bundleUrlTypes);
  fBundleUrlTypesTable.refresh(false);
  }
  }
@@ -554,13 +557,13 @@ protected void validate() {
  @Override
  protected void okPressed() {
  if (fEdit != null) {
- getProduct().getLauncherInfo().removeMacBundleUrlTypes(List.of(fEdit));
+ getLauncherInfo().removeMacBundleUrlTypes(List.of(fEdit));
  }
  IProductModelFactory factory = getModel().getFactory();
  fEdit = factory.createMacBundleUrlType();
  fEdit.setScheme(fScheme.getText().trim());
  fEdit.setName(fName.getText().trim());
- getProduct().getLauncherInfo().addMacBundleUrlTypes(List.of(fEdit));
+ getLauncherInfo().addMacBundleUrlTypes(List.of(fEdit));
  super.okPressed();
  }