chore: fix input field popover

[nina992]

Overview

the pop over when chosen the time zone looks weird, this pr is to fix that

What I've done

What I haven't done

How I tested

Which point I want you to review particularly

Memo

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[codecov]

Codecov Report

Merging #819 (0622ee0) into main (a38df11) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #819      +/-   ##
==========================================
- Coverage   25.70%   25.69%   -0.01%     
==========================================
  Files        1636     1636              
  Lines      180097   180099       +2     
  Branches     3911     3911              
==========================================
- Hits        46287    46285       -2     
- Misses     132721   132725       +4     
  Partials     1089     1089              

Flag	Coverage Δ
web	23.92% <0.00%> (-0.01%)	⬇️
web-beta	23.92% <0.00%> (-0.01%)	⬇️
web-classic	23.92% <0.00%> (-0.01%)	⬇️
web-utils	23.92% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...b/src/beta/components/fields/SelectField/index.tsx	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes