Changes to Get the whiteboard notes for a food in the food editor

added the new optional query request parameter rxfood_id

the query request parameter food_name became optional

added the optional property items/existing_items/items/recipe_id to the response with the 200 status

added the optional property items/existing_items/items/recipe_structure to the response with the 200 status

added the optional property items/queue_metadata/training_reference_meal_items/items/recipe_id to the response with the 200 status

added the optional property items/queue_metadata/training_reference_meal_items/items/recipe_structure to the response with the 200 status