Merge pull request #8192 from metabase/give-all-groups-root-collection-perms

src/metabase/db/migrations.clj

src/metabase/models/permissions.clj

test/metabase/api/alert_test.clj

test/metabase/api/automagic_dashboards_test.clj

test/metabase/api/card_test.clj

test/metabase/api/collection_test.clj

test/metabase/api/dashboard_test.clj

test/metabase/api/pulse_test.clj

test/metabase/api/search_test.clj

test/metabase/api/user_test.clj

test/metabase/automagic_dashboards/core_test.clj

test/metabase/db/migrations_test.clj

test/metabase/models/collection_test.clj

test/metabase/models/dashboard_test.clj

test/metabase/models/pulse_test.clj

test/metabase/models/user_test.clj

test/metabase/query_processor_test/nested_queries_test.clj

test/metabase/test/util.clj