Bug 1545788 - Port bug 1541858: Add helperappdlg.jsm to whitelist in security.uris_using_eval_with_system_principal. rs=bustage-fix DONTBUILD

mail/app/profile/all-thunderbird.js

@@ -804,7 +804,7 @@ pref("security.webauth.u2f", true);
 #if defined(DEBUG)
 // Allow eval in these files, see bug 1522608.
 pref("security.allow_eval_with_system_principal", false);
-pref("security.uris_using_eval_with_system_principal", "ajv-4.1.1.js,autocomplete.xml,box.jsm,calDavCalendar.js,chrometask_chromescript,content-task.js,dialog.xml,gdataSession.jsm,jsol.js,jszip.js,lodash.js,parent_utils.js,preferencesbindings.js,react-redux.js,redux.js,setup,sinon-7.2.7.js,tree.xml,updates.js");
+pref("security.uris_using_eval_with_system_principal", "ajv-4.1.1.js,autocomplete.xml,box.jsm,calDavCalendar.js,chrometask_chromescript,content-task.js,dialog.xml,gdataSession.jsm,helperappdlg.jsm,jsol.js,jszip.js,lodash.js,parent_utils.js,preferencesbindings.js,react-redux.js,redux.js,setup,sinon-7.2.7.js,tree.xml,updates.js");
 #endif
 
 // Use OS date and time settings by default.