fix(pinning): reordering cols position freezing cols shouldn't affect

[ghiscoding]

• the steps to reproduce the issue was to create a grid with frozenColumn in the grid options, then change column position (cols reordering) and finally open header menu and freeze any of the column and the bug was that it was going back to original positions while it should keep new positions and just add new freeze column

[codecov]

Codecov Report

Merging #275 (a64f3c9) into master (3b170f2) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #275   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          209       209           
  Lines        12396     12406   +10     
  Branches      4236      4236           
=========================================
+ Hits         12396     12406   +10     

Impacted Files	Coverage Δ
...kages/common/src/extensions/headerMenuExtension.ts	100.00% <100.00%> (ø)
.../common/src/services/groupingAndColspan.service.ts	100.00% <100.00%> (ø)
packages/common/src/services/shared.service.ts	100.00% <100.00%> (ø)
...bundle/src/components/slick-vanilla-grid-bundle.ts	100.00% <100.00%> (ø)

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