fix(plugin): providing usability override via grid option should work

[ghiscoding]

• after merging the big controls/plugins PR feat(plugins): move all external SlickGrid controls/plugins & rewrite as internal extensions #555 that rewrote all the plugins, I just found out this simple option got missed

[codecov]

Codecov Report

Merging #557 (6446a10) into master (d15022b) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #557   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          229       229           
  Lines        15754     15756    +2     
  Branches      5287      5288    +1     
=========================================
+ Hits         15754     15756    +2     

Impacted Files	Coverage Δ
...kages/common/src/extensions/slickRowMoveManager.ts	100.00% <100.00%> (ø)

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