Update FsUtils.php

[ruudboon]

When enabling webtools I get:

ERROR: Unable to create /Users/ruud/PhpstormProjects/issue/public_html/public/js path: /Users/ruud/PhpstormProjects/issue/public_html/public

Hello!

• Type: bug fix | new feature | code quality | documentation
• Link to issue:

In raising this pull request, I confirm the following (please check boxes):

• I have read and understood the Contributing Guidelines
• I have checked that another pull request for this purpose does not exist
• I wrote some tests for this PR

Small description of change:

Thanks

[codecov]

Codecov Report

Merging #1386 into 4.0.x will not change coverage.
The diff coverage is 0%.

@@           Coverage Diff           @@
##             4.0.x   #1386   +/-   ##
=======================================
  Coverage     3.55%   3.55%           
  Complexity    1133    1133           
=======================================
  Files          115     115           
  Lines         4757    4757           
=======================================
  Hits           169     169           
  Misses        4588    4588

Impacted Files	Coverage Δ	Complexity Δ
src/Utils/FsUtils.php	0% <0%> (ø)	21 <0> (ø)	⬇️

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