adjusted edit button padding and response box padding & roundness

[M4cr0Chen]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  This change introduces some slight UI enhancements on Edit Button and Response box.

1. I- added a pt-1.5 and pl-1.5 to the Edit button to better center-align the svg.
2. I also modified the conversation box's roundness from 28px to 18px; modified horizontal padding from px-7 to px-6; removed a hard-coded vertical padding and changed it from 18px to py-4.5.

• Why was this change needed? (You can also link to an open issue here)
  Opened Issue: Enhancement on Edit Button UI #2010
  This change is supposed to make the Response box appears more elegantly, and make Edit button aligns better.
  This changes effectively ensures the consistency in the DocsGPT's UI/UX design and thus providing a better end-user experience.

[vercel]

@M4cr0Chen is attempting to deploy a commit to the Arc53 Team on Vercel.

A member of the Team first needs to authorize it.

[ManishMadan2882]

Perfect, Thanks!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 34.67%. Comparing base (c00b645) to head (b505d20).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2021   +/-   ##
=======================================
  Coverage   34.67%   34.67%           
=======================================
  Files         131      131           
  Lines        8703     8703           
=======================================
  Hits         3018     3018           
  Misses       5685     5685           

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