Limit devtools screenshots to viewport (#8907)
Limit devtools screenshots to viewport (#8907)

This changes the devtools package to take screenshots only of the
viewport, and not the full page. This makes the devtools package more
consistent with the WebDriver binaries.

See also: https://github.com/webdriverio/webdriverio/issues/8903
webdriverio/webdriverio,webdriverio/webdriverio,webdriverio/webdriverio