Fix issue with the wrong layer id beeing used

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: -0.02 :warning:

Comparison is base (90b0718) 19.04% compared to head (ac5590e) 19.03%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #28 +/- ## ========================================== - Coverage 19.04% 19.03% -0.02% ========================================== Files 23 23 Lines 3318 3321 +3 ========================================== Hits 632 632 - Misses 2686 2689 +3 ``` | [Impacted Files](https://app.codecov.io/gh/MPI-Dortmund/napari-boxmanager/pull/28?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MPI-Dortmund) | Coverage Δ | | |---|---|---| | [src/box\_manager/\_qt/OrganizeLayer.py](https://app.codecov.io/gh/MPI-Dortmund/napari-boxmanager/pull/28?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MPI-Dortmund#diff-c3JjL2JveF9tYW5hZ2VyL19xdC9Pcmdhbml6ZUxheWVyLnB5) | `0.00% <0.00%> (ø)` | | ... and [1 file with indirect coverage changes](https://app.codecov.io/gh/MPI-Dortmund/napari-boxmanager/pull/28/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=MPI-Dortmund)

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[mstabrin]

Fixes #21