Dedicated picture doesn't work

[schoenwaldnils]

When I set a dedicated picture for any of the applications real-favicon can't handle that.

Error: ENAMETOOLONG: name too long

fs.js:652
  return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);
                 ^

Error: ENAMETOOLONG: name too long, open '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'
    at Object.fs.openSync (fs.js:652:18)
    at Object.fs.readFileSync (fs.js:553:33)
...