fix: fonts fail to load on www subdomain (resolves #2006)

[jobara]

Resolves #2006

The fonts.css file is generated when php artisan google-fonts:fetch is called. It is configured to use the public disc which had been setup to include the APP_URL to generate an absolute URL to the resource. However, because this is configured to be the URL without the sub domain, it produces the wrong URL when the www subdomain is used. To resolve the issue, a URL relative to the root is used instead.

This can be tested locally by adding the www subdomain in front. For example if configured to run on platform.test you can use www.platform.test. This works with Herd at least, so may depend on your local setup.

Prerequisites

If this PR changes PHP code or dependencies:

• I've run composer format and fixed any code formatting issues.
• I've run composer analyze and addressed any static analysis issues.
• I've run php artisan test and ensured that all tests pass.
• I've run composer localize to update localization source files and committed any changes.

If this PR changes CSS or JavaScript code or dependencies:

• I've run npm run lint and fixed any linting issues.
• I've run npm run build and ensured that CSS and JavaScript assets can be compiled.

[jobara]

@greatislander could you please review this? I made a change to the public disc, so would like to make sure nothing else will be negatively affected.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (ccaa90c) 97.63% compared to head (9e3a81e) 97.63%.
Report is 1 commits behind head on dev.

❗ Current head 9e3a81e differs from pull request most recent head 81dca9a. Consider uploading reports for the commit 81dca9a to get more accurate results

Additional details and impacted files

@@            Coverage Diff            @@
##                dev    #2063   +/-   ##
=========================================
  Coverage     97.63%   97.63%           
  Complexity     2105     2105           
=========================================
  Files           314      314           
  Lines          9497     9497           
=========================================
  Hits           9272     9272           
  Misses          225      225           

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[greatislander]

Looks good! ✅