fix: plugin grid sorting

[alexbarnsley]

Summary

Checklist

• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[codecov]

Codecov Report

Merging #1829 into develop will increase coverage by <.01%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           develop    #1829      +/-   ##
===========================================
+ Coverage    60.15%   60.15%   +<.01%     
===========================================
  Files          369      369              
  Lines         9142     9143       +1     
  Branches      1869     1869              
===========================================
+ Hits          5499     5500       +1     
  Misses        3458     3458              
  Partials       185      185

Impacted Files	Coverage Δ
...rer/components/PluginManager/PluginManagerGrid.vue	100% <100%> (ø)	⬆️

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