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[bot]]

Codecov Report

:x: Patch coverage is 31.03448% with 20 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 57.84%. Comparing base (4bbe902) to head (b5e3021).

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

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8910       +/-   ##
============================================
+ Coverage    38.85%   57.84%   +18.99%     
============================================
  Files          743      561      -182     
  Lines        58113    40578    -17535     
  Branches      9377    10992     +1615     
============================================
+ Hits         22579    23474      +895     
+ Misses       35530    17100    -18430     
  Partials         4        4               

Flag	Coverage Δ
lsf-e2e	52.55% <27.58%> (?)
lsf-integration	48.45% <3.44%> (?)
lsf-unit	8.80% <10.34%> (-0.01%)	:arrow_down:
pytests	?

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[nick-skriabin]

/fmt

Workflow run

[hlomzik]

/git merge

Workflow run Successfully merged: create mode 100644 web/libs/storybook/public/logo.svg

[hlomzik]

/git merge

Workflow run Successfully merged: create mode 100644 web/libs/ui/src/assets/icons/messages-check.svg