Items render behind text in containers

Same font text in 1.21.5

Please do not mark issues as private, unless your bug report is an exploit or contains information about your username or server.

Are you using any resource packs? If so, please provide them.

@[Mod] Jingy

Yes，I used the resource pack
And this is the command:
/data modify block X Y Z CustomName set value {'text':'\uE1001\uE101','font': 'container','color': 'white'}