feat(tooltip): add a new "center" position option to SlickCustomTooltip

[ghiscoding]

• a centered tooltip is sometime useful and wasn't available prior to this PR, this will be especially useful with a Slider Range Filter

[codecov]

Codecov Report

Merging #787 (1fe83b2) into master (8ad54b5) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##            master      #787    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          234       235     +1     
  Lines        16378     16578   +200     
  Branches      5498      5557    +59     
==========================================
+ Hits         16378     16578   +200     

Impacted Files	Coverage Δ
...es/custom-tooltip-plugin/src/slickCustomTooltip.ts	100.00% <100.00%> (ø)
packages/common/src/constants.ts	100.00% <0.00%> (ø)
packages/common/src/interfaces/index.ts	100.00% <0.00%> (ø)
packages/common/src/editors/sliderEditor.ts	100.00% <0.00%> (ø)
packages/common/src/filters/sliderFilter.ts	100.00% <0.00%> (ø)
packages/common/src/filters/filters.index.ts	100.00% <0.00%> (ø)
packages/common/src/filters/filterUtilities.ts	100.00% <0.00%> (ø)
packages/common/src/filters/compoundDateFilter.ts	100.00% <0.00%> (ø)
packages/common/src/filters/compoundInputFilter.ts	100.00% <0.00%> (ø)
...ackages/common/src/filters/compoundSliderFilter.ts	100.00% <0.00%> (ø)
... and 5 more

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