IK_POSE does not stay stationary #793

System Info

1.52, ubuntu22.04

Information

when you run robosuite/demos/demo_control.py, choose lift env and panda robot and IK_POSE controller, the robot will not stay stationary and goes to singularity

Reproduction

1. python robosuite/demos/demo_control.py
2. [1] Lift
3. [3] Panda
4. [5] IK_POSE

Expected behavior

the robot does not stay stationary and goes to singularity