feat: Drag-Fill capability and Hybrid SelectionModel plugin

[ghiscoding]

Thanks to Ben (6pac) for starting this new feature in SlickGrid repo:

New HybridSelectionModel combines cell and row selection models. It functions like CellSelectionModel except when certain conditions switch it into RowSelectionModel. If the options.rowSelectOverride function exists, then HybridSelectionModel calls it expecting a boolean return to determine whether to behave like RowSelectionModel. If this option is not set, then selection of a column that is a member of the array options.rowSelectColumnObjectArr will be treated with the behaviour of RowSelectionModel.

Drag and Replace option mirrors Excel as closely as possible. When a range of cells is selected, a grey box appears at the bottom right of the selection area, and dragging that grey box expands the selection area and replaces the newly selected cells will the contents of the existing cells. Excel specifically only allows expansion horizontally or vertically, but here we allow both. The current behaviour may be modified. Note that the spreadsheet example the FormulaEditor causes problems with this new feature because it creates a new CellRangeSelector each time a cell is edited. This editor needs to add an event to the existing grid's CellRangeSelector, or create a new one.

It's still at the very early stage and there's thing that would need a bit of polishing

TODOs

• add new Hybrid Model
• add 2 new Examples
• add Cypress E2E tests for both examples
• add full unit test coverage
• add Hybrid Mode to Extension Service
• use rowSelectionOptions grid options as plugin options
• drag-shrink is not behaving as a user would expect (not like Excel)
• replicate 2 new Examples to all frameworks
• is this new HybridSelectionModel a complete merge of the previous 2 models? If so, can we get rid of the 2 and only keep this new one? We might need to keep it as trial until next major

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[codecov]

Codecov Report

❌ Patch coverage is 32.25806% with 483 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.7%. Comparing base (b971b11) to head (c6295f8).

Files with missing lines	Patch %	Lines
...common/src/extensions/slickHybridSelectionModel.ts	11.8%	367 Missing ⚠️
packages/common/src/core/slickCore.ts	35.1%	87 Missing ⚠️
packages/common/src/core/slickGrid.ts	72.5%	11 Missing ⚠️
...es/common/src/extensions/slickCellRangeSelector.ts	82.9%	11 Missing ⚠️
...kages/common/src/extensions/slickRowMoveManager.ts	33.4%	4 Missing ⚠️
packages/common/src/core/slickInteractions.ts	78.6%	3 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master   #2162     +/-   ##
========================================
- Coverage   100.0%   98.7%   -1.3%     
========================================
  Files         197     198      +1     
  Lines       36196   36854    +658     
  Branches    10743   10776     +33     
========================================
+ Hits        36196   36371    +175     
- Misses          0     483    +483     

Flag	Coverage Δ
angular	100.0% <ø> (ø)
universal	98.7% <32.3%> (-1.3%)	⬇️

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commit: c6295f8