fix(selections): selected rows doesn't update when hidden column shown

[ghiscoding]

• related to core SlickGrid issue #661

[codecov]

Codecov Report

Merging #615 (0d1cf29) into master (8b30f87) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #615   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          230       230           
  Lines        16388     16392    +4     
  Branches      5459      5459           
=========================================
+ Hits         16388     16392    +4     

Impacted Files	Coverage Δ
...s/common/src/extensions/slickCellSelectionModel.ts	100.00% <100.00%> (ø)
...es/common/src/extensions/slickRowSelectionModel.ts	100.00% <100.00%> (ø)

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