Sorry for the late response.
We changed the parameters above to their new values and verified that the depth we get is more constant and more accurate. Additionally, discovered that we were only changing the exposure for the LEFT camera which probably did not help the depth calculation since the two images would like vastly different in certain lightings.
We anticipate making a MR on the ZED GStreamer repository that contains support for updating auto-exposure/gain during runtime after we upgrade to ZED SDK v4 in the following weeks.