Handle 4D data in the napari plugin

[p-j-smith]

Fixes #316

Changes made:

• don't specify ndim when converting tracks to a napari layer - let BayesianTracker determine the dimensionality

[codecov-commenter]

Codecov Report

Patch and project coverage have no change.

Comparison is base (336fa29) 85.64% compared to head (91bbfcc) 85.64%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #317 +/- ## ======================================= Coverage 85.64% 85.64% ======================================= Files 30 30 Lines 1957 1957 Branches 296 296 ======================================= Hits 1676 1676 Misses 201 201 Partials 80 80 ``` | [Impacted Files](https://app.codecov.io/gh/quantumjot/btrack/pull/317?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe) | Coverage Δ | | |---|---|---| | [btrack/napari/main.py](https://app.codecov.io/gh/quantumjot/btrack/pull/317?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL25hcGFyaS9tYWluLnB5) | `73.33% <0.00%> (ø)` | |

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[deprecated-napari-hub-preview-bot[bot]]

Preview page for your plugin is ready here: https://preview.napari-hub.org/quantumjot/btrack/317 Created: 2023-05-05T09:34:31.159939