Removing positive requirement of integer validation

[multiwebinc]

Fixes #10179. It seems to be working for me locally, but I didn't run any tests.

What does it do?

Removes the requirement for integers to be positive

Why is it needed?

Because there's no reason an integer can't be zero or negative

[strapi-cla]

All committers have signed the CLA.

[codecov]

Codecov Report

Merging #10269 (1302998) into master (436d9fd) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #10269   +/-   ##
=======================================
  Coverage   57.82%   57.82%           
=======================================
  Files         184      184           
  Lines        6393     6393           
  Branches     1395     1395           
=======================================
  Hits         3697     3697           
  Misses       2233     2233           
  Partials      463      463           

Flag	Coverage Δ
front	∅ <ø> (∅)
unit	57.82% <ø> (ø)

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[soupette]

LGTM!

Thank you for your contribution