Objects: new 3D cursor alignment option when adding objects

The choices are now World, View and 3D Cursor.

This breaks Python API compatibility, add-ons that add objects with this
parameter will need to be updated.

Differential Revision: https://developer.blender.org/D4706

release/scripts/templates_py/operator_mesh_add.py

@@ -75,10 +75,17 @@ class AddBox(bpy.types.Operator):
     )
 
     # generic transform props
-    view_align: BoolProperty(
-        name="Align to View",
-        default=False,
+    align_items = (
+            ('WORLD', "World", "Align the new object to the world"),
+            ('VIEW', "View", "Align the new object to the view"),
+            ('CURSOR', "3D Cursor", "Use the 3D cursor orientation for the new object")
     )
+    align: EnumProperty(
+            name="Align",
+            items=align_items,
+            default='WORLD',
+            update=AddObjectHelper.align_update_callback,
+            )
     location: FloatVectorProperty(
         name="Location",
         subtype='TRANSLATION',