Migrate annotation changes

[schu96]

Migrated annotation code to work with newly improved main branch

[codecov]

Codecov Report

❌ Patch coverage is 10.00000% with 153 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.52%. Comparing base (2501a95) to head (274ddda).

Files with missing lines	Patch %	Lines
src/util/TextSelectionManager.js	10.00%	153 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1554      +/-   ##
==========================================
- Coverage   63.78%   62.52%   -1.26%     
==========================================
  Files          67       67              
  Lines        6166     6314     +148     
  Branches     1361     1382      +21     
==========================================
+ Hits         3933     3948      +15     
- Misses       2197     2330     +133     
  Partials       36       36              

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