fix(builders): text display component support for modals

[vladfrangu]

Please describe the changes this PR makes and why it should be merged:

Woopsy XD, forgot to add support for text displays in modal builder

Status and versioning classification:

[vercel]

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2 Skipped Deployments

Project	Deployment	Preview	Comments	Updated (UTC)
discord-js	Ignored			Oct 8, 2025 6:11pm
discord-js-guide	Ignored			Oct 8, 2025 6:11pm

[codecov]

Codecov Report

❌ Patch coverage is 60.00000% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.66%. Comparing base (9a60e40) to head (282209d).
⚠️ Report is 1 commits behind head on builders/1.x.

Files with missing lines	Patch %	Lines
packages/builders/src/interactions/modals/Modal.ts	54.54%	10 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           builders/1.x   #11155      +/-   ##
================================================
+ Coverage         37.65%   37.66%   +0.01%     
================================================
  Files               240      240              
  Lines             15030    15050      +20     
  Branches           1346     1348       +2     
================================================
+ Hits               5659     5669      +10     
- Misses             9327     9337      +10     
  Partials             44       44              

Flag	Coverage Δ
builders	88.35% <60.00%> (-0.33%)	⬇️

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