fix: NIXL wheel missing from system packages in dev env (#2879)

Signed-off-by: Harrison King Saturley-Hall <hsaturleyhal@nvidia.com>

Author: saturley-hall

container/Dockerfile.trtllm

@@ -228,7 +228,8 @@ RUN if [ "$ARCH" = "arm64" ]; then \
     fi && \
     # Install the wheel
     # TODO: Move NIXL wheel install to the wheel_builder stage
-    uv pip install /workspace/wheels/nixl/*.whl
+    uv pip install /workspace/wheels/nixl/*.whl && \
+    pip install /workspace/wheels/nixl/*.whl
 
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