title: Laravel Mix URL processing distorts file path
body: <p>I'm trying to set up Larvel Mix with internal URL processing, but somehow it disfigures all my file paths.
  For instance, if I use an icon in <strong>app.scss</strong>:</p>
  
  <pre><code>background-image: url("../icons/search.svg");
  </code></pre>
  
  <p>Everytime I get in app.css</p>
  
  <pre><code>background-image: url(/fonts/search.svg?0aeb120951582cc56d9d8681f88ff583);
  </code></pre>
  
  <p>The corresponding file is also copied to public/fonts/ and I just can't figure out, where this folder creeps into my path.
  In my webpack.mix.js I don't have anything special.</p>
  
  <pre><code>mix.js('resources/assets/js/app.js', 'public/js')
  .sass('resources/assets/sass/app.scss', 'public/css')
  </code></pre>
  
  <p>Has anybody already had this kind of problem?</p>