Skip model persistence for users using connection impersonation (#49185) (#49365)

...src/metabase_enterprise/advanced_permissions/api/util.clj

..._enterprise/advanced_permissions/driver/impersonation.clj

...rprise/advanced_permissions/driver/impersonation_test.clj

...se/backend/test/metabase_enterprise/cache/config_test.clj

...uery_processor/middleware/row_level_restrictions_test.clj

src/metabase/public_settings/premium_features.clj

src/metabase/query_processor/middleware/persistence.clj

test/metabase/query_processor/persistence_test.clj