Use this command:
/give @s minecraft:diamond[minecraft:food={nutrition:1,saturation_modifier:0,eat_seconds:0.049,can_always_eat:true}] 64when food.eat_seconds <0.05,the food won't be eaten
when food.eat_seconds ≥0.05,it will be eaten
Use this command:
/give @s minecraft:diamond[minecraft:food={nutrition:1,saturation_modifier:0,eat_seconds:0.049,can_always_eat:true}] 64when food.eat_seconds <0.05,the food won't be eaten
when food.eat_seconds ≥0.05,it will be eaten
Can confirm.