Bootloader is for defence against Evil Maid, and Afaik, ICE is just gonna snatch you, not do a “Evil Maid” attack, so just get it rebooted before you get taken and they shouldn’t even be able to decrypt it since its BFU. (You’ll need a long password/passphrase tho since PIN Limits can be bypassed because bootloader is unlocked)

Edit: Also reboot your phone before going to sleep in case you get raided midnight.