fix: BROS-476: Text spans resizing

[nick-skriabin]

This PR addresses the issue where when the last character of the text is within the region, resizing the region will cause the region to collapse or resize abruptly.

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[codecov]

Codecov Report

❌ Patch coverage is 31.03448% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.75%. Comparing base (43e7124) to head (2c2540b).
⚠️ Report is 15 commits behind head on develop.

Files with missing lines	Patch %	Lines
web/libs/editor/src/tags/object/RichText/view.jsx	0.00%	10 Missing ⚠️
web/libs/editor/src/utils/selection-tools.js	47.36%	10 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (43e7124) and HEAD (2c2540b). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (43e7124)	HEAD (2c2540b)
pytests	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #8910      +/-   ##
===========================================
- Coverage    65.09%   57.75%   -7.34%     
===========================================
  Files          828      561     -267     
  Lines        64773    40912   -23861     
  Branches     11041    11050       +9     
===========================================
- Hits         42164    23629   -18535     
+ Misses       22605    17279    -5326     
  Partials         4        4              

Flag	Coverage Δ
lsf-e2e	51.79% <27.58%> (+5.36%)	⬆️
lsf-integration	48.53% <3.44%> (+<0.01%)	⬆️
lsf-unit	8.33% <10.34%> (-0.01%)	⬇️
pytests	?

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[nick-skriabin]

/fmt

Workflow run