Bug 1993863 - Don't show import message when import is disabled via policy. r=kcochrane,fxview-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D270680

Author: mkaply

browser/components/firefoxview/history.mjs

@@ -219,7 +219,8 @@ class HistoryInView extends ViewPage {
     return (
       this.profileAge < 8 &&
       !this.hasImportedHistoryPref &&
-      !this.importHistoryDismissedPref
+      !this.importHistoryDismissedPref &&
+      Services.policies.isAllowed("profileImport")
     );
   }