Updates CloudXR docker run command to use a mount rather than a volume. (#333)

# Description

Update CloudXR docker run command to use a mount rather than a volume.

## Type of change

- Documentation

## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works (NOTE: test added to cloudxr docker repo)
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

docs/source/how-to/cloudxr_teleoperation.rst

@@ -183,7 +183,7 @@ There are two options to run the CloudXR Runtime Docker container:
              --user $(id -u):$(id -g) \
              --runtime=nvidia \
              -e "ACCEPT_EULA=Y" \
-             -v $(pwd)/openxr:/openxr \
+             --mount type=bind,src=$(pwd)/openxr,dst=/openxr \
              -p 48010:48010 \
              -p 47998:47998/udp \
              -p 47999:47999/udp \
@@ -612,6 +612,16 @@ Known Issues
   This error message can be safely ignored. It is caused by a race condition in the exit handler for
   AR Mode.
 
+* ``[omni.usd] TF_PYTHON_EXCEPTION`` when starting/stopping AR Mode
+
+  This error message can be safely ignored. It is caused by a race condition in the enter/exit
+  handler for AR Mode.
+
+* ``Invalid version string in _ParseVersionString``
+
+  This error message can be caused by shader assets authored with older versions of USD, and can
+  typically be ignored.
+
 
 ..
   References