feat(sidebar): add the ability to determine state and responsiveState

[yggg]

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• I read and followed the CONTRIBUTING.md guide.
• I read and followed the New Feature Checklist guide.

Short description of what this resolves:

Closes #1241

[codecov]

Codecov Report

Merging #1893 (a7f5ee9) into master (09a7ba1) will increase coverage by 5.03%.
The diff coverage is 55.76%.

@@            Coverage Diff             @@
##           master    #1893      +/-   ##
==========================================
+ Coverage   78.95%   83.98%   +5.03%     
==========================================
  Files         253      232      -21     
  Lines        7815     7593     -222     
  Branches      857      662     -195     
==========================================
+ Hits         6170     6377     +207     
+ Misses       1382     1020     -362     
+ Partials      263      196      -67     

Impacted Files	Coverage Δ
...work/theme/components/sidebar/sidebar.component.ts	60.30% <54.54%> (+5.41%)	⬆️
...mework/theme/components/sidebar/sidebar.service.ts	72.00% <57.14%> (-14.37%)	⬇️
src/framework/theme/public_api.ts	100.00% <100.00%> (ø)
...eme/components/calendar/base-calendar.component.ts	76.59% <0.00%> (-19.90%)	⬇️
...amework/theme/components/toastr/toast.component.ts	60.71% <0.00%> (-17.07%)	⬇️
...me/components/toastr/toastr-container.component.ts	65.38% <0.00%> (-16.97%)	⬇️
...rk/theme/components/cdk/overlay/position-helper.ts	36.06% <0.00%> (-9.70%)	⬇️
...vigation/calendar-pageable-navigation.component.ts	92.30% <0.00%> (-7.70%)	⬇️
...ramework/theme/components/toastr/toastr.service.ts	90.51% <0.00%> (-6.88%)	⬇️
src/framework/theme/components/helpers.ts	60.00% <0.00%> (-6.67%)	⬇️
... and 243 more