We've added a new path to the CAMERA_SERVO guardian which will now be the default, where we set the camera offsets to fixed values stored in lscparams rather than reseting it each lock based on the ADS set points.  This is because we found last night that the build ups were better at a different offset for the BS camera 76961

We caused one lockloss doing this switch, which we think is because I changed the order of doing the switch.  We've edited the guardian in a way that we think should not have a large transient.