Fix alignments track infinite loading when applying same "Color by" or "Sort by" setting twice

[cmdcolin]

Current main branch has a bug where applying e.g. "Color by"->"Tag" (select HP) or similarly "Sort by"->"Tag" (select HP) twice results in it hanging the second time

This is because it sets "sortReady:false", but the autorun does not detect that the "sortedBy" structure has changed since it is the same, so it doesn't change. This makes the autorun also listen for !sortReady (an analogous setting+autorun for colorBy)

[codecov]

Codecov Report

Merging #3905 (5637746) into main (5a04508) will increase coverage by 0.00%.
Report is 1 commits behind head on main.
The diff coverage is 85.71%.

@@           Coverage Diff           @@
##             main    #3905   +/-   ##
=======================================
  Coverage   64.49%   64.49%           
=======================================
  Files        1004     1004           
  Lines       29809    29811    +2     
  Branches     7145     7147    +2     
=======================================
+ Hits        19226    19228    +2     
  Misses      10418    10418           
  Partials      165      165           

Files Changed	Coverage Δ
plugins/alignments/src/PileupRenderer/colorBy.ts	41.66% <0.00%> (ø)
...earPileupDisplay/SharedLinearPileupDisplayMixin.ts	72.10% <100.00%> (ø)
...lugins/alignments/src/LinearPileupDisplay/model.ts	82.11% <100.00%> (+0.29%)	⬆️

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