fix(tree): using initiallyCollapsed change internal toggled state

[ghiscoding]

• if we defined initiallyCollapsed as true, we should expect the internal toggle state change to be updated accordingly
• also add extra arguments to the applyToggledItemStateChanges() method to skip a full toggle and also another argument to optionally trigger an item toggled event

[codecov]

Codecov Report

Merging #380 (bf1faec) into master (ec974ca) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master      #380   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          216       216           
  Lines        13188     13198   +10     
  Branches      4312      4317    +5     
=========================================
+ Hits         13188     13198   +10     

Impacted Files	Coverage Δ
packages/common/src/services/treeData.service.ts	100.00% <100.00%> (ø)

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