feat(rowDetail): add option to limit expanded row to only 1, closes #194

[ghiscoding]

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[codecov-io]

Codecov Report

Merging #204 into master will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #204      +/-   ##
==========================================
+ Coverage    40.9%   40.93%   +0.03%     
==========================================
  Files         146      146              
  Lines        6766     6771       +5     
  Branches     2234     2237       +3     
==========================================
+ Hits         2767     2771       +4     
- Misses       3996     3997       +1     
  Partials        3        3

Impacted Files	Coverage Δ
...ules/angular-slickgrid/formatters/maskFormatter.ts	93.34% <0%> (-6.66%)	⬇️

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