Incorrect PVS display at MLIL #7262

Binary: balanced mist remains quietly, address: 0x1f59b0 (Same as in #7260)

In HLIL, we can see that x8_1 has the correct PVS:

But when we view it in MLIL, it shows undetermined:

This is purely a UI bug, since if I examine the thing from the Python API, it works:

>>> current_il_instruction.src.src.right.left.src.possible_values
<in set([0xe, 0x11])>