chore(web): fix published WAS area padding

[airslice]

Overview

This PR fixes the issue that padding value 0 will be ingored in published WAS area.

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 #850 (86a9c0e) into main (c8ad896) will increase coverage by 0.00%.
The diff coverage is 0.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #850   +/-   ##
=======================================
  Coverage   25.61%   25.61%           
=======================================
  Files        1644     1644           
  Lines      180739   180739           
  Branches     3920     3920           
=======================================
+ Hits        46297    46301    +4     
+ Misses     133353   133349    -4     
  Partials     1089     1089           

Flag	Coverage Δ
web	23.82% <0.00%> (+<0.01%)	⬆️
web-beta	23.82% <0.00%> (+<0.01%)	⬆️
web-classic	23.82% <0.00%> (+<0.01%)	⬆️
web-utils	23.82% <0.00%> (+<0.01%)	⬆️

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

Files	Coverage Δ
web/src/beta/features/PublishedVisualizer/hooks.ts	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes