feat: RND-100: Labeling interface enhancements

[robot-ci-heartex]

Hi @niklub!

This PR was created in a response to PRs in upstream repos:

• feat: RND-100: Labeling interface enhancements label-studio-sdk#248

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.73%. Comparing base (fd1b0ad) to head (98e882f).
Report is 25 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #6011   +/-   ##
========================================
  Coverage    76.73%   76.73%           
========================================
  Files          168      168           
  Lines        13618    13618           
========================================
  Hits         10450    10450           
  Misses        3168     3168           

Flag	Coverage Δ
pytests	76.73% <ø> (ø)

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[niklub]

/git merge develop

Workflow run
Successfully merged: 4 files changed, 173 insertions(+), 100 deletions(-)