Packaging errors with fetched-on-the-fly SDK

[stonier]

Reported in #108.

• https://build.ros2.org/job/Fbin_uF64__ueye_cam__ubuntu_focal_amd64__binary/1/console
• https://build.ros2.org/job/Fbin_ubv8_uFv8__ueye_cam__ubuntu_focal_arm64__binary/1/console

Errors occuring in the debianising process - something to do with not finding the IDS SDK, which it shouldn't because that's not getting packaged with the debian.

Likely something to do with CMake or Bloom being more rigorous than it was previously.