Fixing open about:preferences#containers

index.js

@@ -156,10 +156,6 @@ function handleWebExtensionMessage(message, sender, sendReply) {
       case 'getIdentitiesState':
         sendReply(identitiesState);
         break;
-      case 'openContainersPreferences':
-        tabs.open('about:preferences#containers');
-        sendReply({content: 'opened'});
-        break;
       case 'openTab':
         sendReply(openTab(message));
         break;

webextension/js/popup.js

@@ -136,7 +136,10 @@ browser.runtime.sendMessage({method: 'queryIdentities'}).then(identities=> {
 });
 
 document.querySelector('#edit-containers-link').addEventListener('click', ()=> {
-  browser.runtime.sendMessage({method: 'openContainersPreferences'}).then(()=> {
+  browser.runtime.sendMessage({
+    method: 'openTab',
+    url: "about:preferences#containers"
+  }).then(()=> {
     window.close();
   });
 });