Add new protection panel icons

[nt1m]

Here are the ones I found that were missing from the site: https://searchfox.org/mozilla-central/source/browser/themes/shared/controlcenter/dashboard.svg https://searchfox.org/mozilla-central/source/browser/themes/shared/controlcenter/socialblock.svg https://searchfox.org/mozilla-central/source/browser/themes/shared/controlcenter/socialblock-disabled.svg https://searchfox.org/mozilla-central/source/browser/themes/shared/controlcenter/tracker-image-disabled.svg https://searchfox.org/mozilla-central/source/browser/themes/shared/controlcenter/tracker-image.svg

A newer version of the deprecated permissions icon on the site: https://searchfox.org/mozilla-central/source/browser/themes/shared/identity-block/permissions.svg