LFP Viewer channel scaling

Data from some sources such as the IMU on 3D capable headstages is displayed incorrectly. The data displays jumps around several channels. As per discussion, the channels need to be set to the given input ranges.

<img width="1920" height="1138" alt="Image" src="https://github.com/user-attachments/assets/92405661-2e38-4e09-9058-1a29631db4b8" />