Add button in KomaUI to reload sequence

[mcgrathcm]

Currently in KomaUI, if the underlying .seq file is changed, it is only possible to reload the sequence by first loading a different sequence, then loading the one you want.
This just adds a button to the left of the sequence picker to allow the user to reload the sequence.
Very useful when coupled with the sequence generation functionality in Koma.

[cncastillo]

That is cool! do you have a preview?

[mcgrathcm]

Currently on the left side. Could also move it to the left of the sequence name.

[cncastillo]

I also tried it to the right (and removed the very old Koma seq)

What do you think?

What is the workflow that this could help? It would be really nice if the thing just detected changes in the file and reloaded it when changed, but this is a good intermediate step.

[mcgrathcm]

That looks better to me, makes more sense on the right.
In terms of workflows, I think it mostly helps for sequence debugging and tuning, since I can adjust and run a sequence building script and then check it very quickly.

[codecov]

Codecov Report

❌ Patch coverage is 72.72727% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 88.52%. Comparing base (33dab33) to head (2cbf69e).

Files with missing lines	Patch %	Lines
src/KomaUI.jl	70.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #790      +/-   ##
==========================================
- Coverage   89.80%   88.52%   -1.29%     
==========================================
  Files          76       76              
  Lines        5407     5405       -2     
==========================================
- Hits         4856     4785      -71     
- Misses        551      620      +69     

Flag	Coverage Δ
base	86.47% <ø> (ø)
core	79.76% <ø> (-9.73%)	⬇️
files	95.26% <ø> (ø)
komamri	88.00% <72.72%> (-0.33%)	⬇️
plots	90.88% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
src/KomaCLI.jl	93.68% <100.00%> (ø)
src/KomaUI.jl	86.81% <70.00%> (-1.26%)	⬇️

... and 8 files with indirect coverage changes

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