Add default ranges for numerical issues

[paddyroddy]

Fixes #366. Have adjusted to recommended values. For consistency, using .setRange throughout, which is a one-liner for .setMinimum & .setMaximum.

I also really like things being in alphabetical order, so have enforced that...

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

Preview page for your plugin is ready here: https://preview.napari-hub.org/quantumjot/btrack/376 Created: 2023-08-07T14:15:57.373171

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01% :tada:

Comparison is base (003407e) 85.89% compared to head (62ec18d) 85.91%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #376 +/- ## ========================================== + Coverage 85.89% 85.91% +0.01% ========================================== Files 30 30 Lines 2170 2172 +2 Branches 396 396 ========================================== + Hits 1864 1866 +2 Misses 225 225 Partials 81 81 ``` | [Files Changed](https://app.codecov.io/gh/quantumjot/btrack/pull/376?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/widgets/\_general.py](https://app.codecov.io/gh/quantumjot/btrack/pull/376?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL25hcGFyaS93aWRnZXRzL19nZW5lcmFsLnB5) | `100.00% <100.00%> (ø)` | | | [btrack/napari/widgets/\_hypothesis.py](https://app.codecov.io/gh/quantumjot/btrack/pull/376?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL25hcGFyaS93aWRnZXRzL19oeXBvdGhlc2lzLnB5) | `100.00% <100.00%> (ø)` | | | [btrack/napari/widgets/\_motion.py](https://app.codecov.io/gh/quantumjot/btrack/pull/376?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Alan+R+Lowe#diff-YnRyYWNrL25hcGFyaS93aWRnZXRzL19tb3Rpb24ucHk=) | `100.00% <100.00%> (ø)` | |

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