Report: Fix missing font data-urls

[conradstrassburger]

Description

Fix missing font data-urls after css-loader update and remove deprecated file-loader and url-loader.
Followed webpack-contrib/css-loader#1354 and https://webpack.js.org/guides/asset-modules/ for replacement reference.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing tests pass locally with my changes