[gold] Update images
[gold] Update images

Baseline server updated to be not dirty (JSON5 changes).

Skiacorrectness updated with some frontend fixes.

Change-Id: Id8db31983b5854d642ea1c988f973f846fb2c467
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/298656
Reviewed-by: Kevin Lubick <7cdab2cfab351f23814786ba39716e90eed69047@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot