Raspberry and Cream Cheese Braid

Name: Raspberry and Cream Cheese Braid
Cuisine: American, European
Ingredients: 1 egg (small); 1 tsp vanilla; 175ml (¾ cup) milk; 35g (2 tbsp + 2 tsp) butter (chopped or sliced into small pieces); 360g (3 cups) spelt flour (see note 1); 7g (2¼ tsp) yeast (see note 2); 2 tbsp sugar; pinch nutmeg; 1 tsp salt; 200g (7 oz) raspberries (see note 3); 1 tbsp maple syrup; 1 tsp cornstarch; 200g (7 oz) cream cheese; 35g (¼ cup) icing / confectioners' / powdered sugar; 1 egg (beaten); pearl sugar (see note 4)