ODIN: add pixel_offsets for Orca and all datasets for t0 chopper

fix the t0 chopper even if it does not exist, and add pixeloffsets for hama orca

To solve:

https://git.esss.dk/dmsc-nightly/dmsc-nightly/-/issues/64 https://git.esss.dk/dmsc-nightly/dmsc-nightly/-/issues/65