fix(dashboards): Copy saved filters when duplicating prebuilt dashboards#111017

gggritso merged 2 commits intomastergetsentry/sentry:masterfrom

georgegritsouk/dain-1335-duplicating-a-pre-built-dashboard-doesnt-copy-over-thegetsentry/sentry:georgegritsouk/dain-1335-duplicating-a-pre-built-dashboard-doesnt-copy-over-theCopy head branch name to clipboard