[BUG] Only the first group is updated when changing permissions from the case access modal

[whitekernel]

Describe the bug
As reported in Discord: https://discord.com/channels/922879298786975774/1086175654799745065/1216930986668064768

To Reproduce
Case will deny only the FIRST group displayed - e.g A,B,C will only deny group A users

Expected behavior
All groups are updated