fix(textInput): Allow empty strings for a value

[Jiralite]

Please describe the changes this PR makes and why it should be merged:
An empty value may be set when not constrained by min_length.

Status and versioning classification:

• Code changes have been tested against the Discord API, or there are no code changes
• I know how to update typings and have done so, or typings don't need updating

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Project	Deployment	Preview	Comments	Updated (UTC)
discord-js-guide	Ready	Preview	Comment	Oct 16, 2025 1:54pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
discord-js	Ignored	Preview		Oct 16, 2025 1:54pm

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 44.19%. Comparing base (1a305fe) to head (9ff4106).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #11182   +/-   ##
=======================================
  Coverage   44.19%   44.19%           
=======================================
  Files         313      313           
  Lines       18094    18094           
  Branches     1796     1796           
=======================================
  Hits         7996     7996           
  Misses      10086    10086           
  Partials       12       12           

Flag	Coverage Δ
builders	79.59% <100.00%> (ø)

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