Exclude dynamic groups from remove from group action

[ericnewcomer]

Fixes: #749

[codecov]

Codecov Report

Merging #753 into master will not change coverage.
The diff coverage is 0%.

@@          Coverage Diff           @@
##           master    #753   +/-   ##
======================================
  Coverage    64.2%   64.2%           
======================================
  Files         164     164           
  Lines        6074    6074           
  Branches     1410    1410           
======================================
  Hits         3900    3900           
  Misses       1745    1745           
  Partials      429     429

Impacted Files	Coverage Δ
...ons/changegroups/removegroups/RemoveGroupsForm.tsx	91.66% <ø> (ø)	⬆️
...rc/components/form/assetselector/AssetSelector.tsx	38.31% <0%> (ø)	⬆️

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