Check whether we need to update our font whitelist for ESR91

While looking over the diff of all.js between esr45 and esr52 I noted that the font settings changed quite a bit between those two ESR versions. We should check whether we need to update our font whitelist. In particular now, that we are about to switch to ESR60.

Edited Jan 07, 2021 by Alex Catarineu

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