Optimize requests of webfonts

[imatwork]

Downloaded the latest, and it looks like tsayen#37 from dom-to-image is not fixed (it's not fixed in dom-to-image either). There is an open PR in the original repo though, tsayen#336

I tried it with the latest of dom-to-image-more and the below looks like the requests that occur

[IDisposable]

Release as 2.12.0... thanks for the note and pointing me at a solution (which was largely adopted).

[imatwork]

Confirmed working in 2.12.0. Thank you!