fix: DEV-1598: Fix for empty toname in control tag

[robot-ci-heartex]

Hi @juliosgarbi!

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

• fix: DEV-1598: Fix for empty toname in control tag label-studio-frontend#937

[swarmia]

✅  Linked to Bug DEV-1598 · Editable TextArea fail on input
➡️  Part of Epic DEV-3239 · Customer Issues - Q4 Sprint 1

[codecov]

Codecov Report

Base: 77.29% // Head: 77.08% // Decreases project coverage by -0.21% ⚠️

Coverage data is based on head (5a8be82) compared to base (97398eb).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #3161      +/-   ##
===========================================
- Coverage    77.29%   77.08%   -0.22%     
===========================================
  Files          147      147              
  Lines        10823    10825       +2     
===========================================
- Hits          8366     8344      -22     
- Misses        2457     2481      +24     

Impacted Files	Coverage Δ
...el_studio/label_studio/data_manager/serializers.py	89.32% <0.00%> (-2.92%)	⬇️
label_studio/label_studio/core/utils/common.py	81.25% <0.00%> (-2.09%)	⬇️
label_studio/label_studio/data_manager/managers.py	78.08% <0.00%> (-1.41%)	⬇️
..._studio/label_studio/labels_manager/serializers.py	96.25% <0.00%> (-1.25%)	⬇️
label_studio/label_studio/core/middleware.py	89.24% <0.00%> (-1.08%)	⬇️
label_studio/label_studio/tasks/serializers.py	83.64% <0.00%> (-0.54%)	⬇️
label_studio/label_studio/projects/models.py	82.75% <0.00%> (-0.11%)	⬇️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.