`experimentalWebKitSupport`: Set `devicePixelRatio`

[flotwig]

In other browsers, we set a standard devicePixelRatio. One reason for this is so that screenshot diffs can match whether a user runs them locally with 2x DPI or in CI with 1x DPI. It also causes fuzzy text on 2x displays:

This also needs to be set in WebKit.

[github-actions]

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[bitcoinBandit1234]

It seems no one has taken this issue. can you please elaborate a bit on how you want the "devicePixelRatio" to be handled?

[nagash77]

Hi @bitcoinBandit1234 are you interested in picking up this ticket and opening a PR?