feat(configurator): flip dual-descriptions to required on template (Sub 2 Task 25)

fusion_plating/fusion_plating_configurator/models/fp_sale_description_template.py

@@ -40,11 +40,13 @@ class FpSaleDescriptionTemplate(models.Model):
     # in Phase C. Nullable during Phase A so existing records don't fail.
     internal_description = fields.Text(
         string='Internal Description',
+        required=True,
         help='What the shop floor sees on the WO / traveler. Never on '
              'customer documents.',
     )
     customer_facing_description = fields.Text(
         string='Customer-Facing Description',
+        required=True,
         help='Prints on the SO, invoice, packing slip, and BoL.',
     )
     sequence = fields.Integer(default=10)