fix(web): adjust snippets input count badge color

[JzoNgKVO]

Summary

adjust snippets input field count badge color

Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran make lint && make type-check (backend) and cd web && pnpm exec vp staged (frontend) to appease the lint gods

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.29%. Comparing base (7b7956f) to head (1845533).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #38386   +/-   ##
=======================================
  Coverage   85.29%   85.29%           
=======================================
  Files        4993     4993           
  Lines      264174   264170    -4     
  Branches    50129    50125    -4     
=======================================
- Hits       225320   225317    -3     
+ Misses      34435    34434    -1     
  Partials     4419     4419           

Flag	Coverage Δ
dify-ui	94.93% <ø> (ø)
web	84.86% <ø> (+<0.01%)	⬆️

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