1 files changed, 5 insertions, 7 deletions
diff --git a/browser/modules/ExtensionsUI.sys.mjs b/browser/modules/ExtensionsUI.sys.mjs
index 6b2781670a..f6cbcfcd88 100644
--- a/browser/modules/ExtensionsUI.sys.mjs
+++ b/browser/modules/ExtensionsUI.sys.mjs
@@ -119,12 +119,12 @@ export var ExtensionsUI = {
 
   showAddonsManager(tabbrowser, strings, icon) {
     let global = tabbrowser.selectedBrowser.ownerGlobal;
-    return global
-      .BrowserOpenAddonsMgr("addons://list/extension")
-      .then(aomWin => {
+    return global.BrowserAddonUI.openAddonsMgr("addons://list/extension").then(
+      aomWin => {
         let aomBrowser = aomWin.docShell.chromeEventHandler;
         return this.showPermissionsPrompt(aomBrowser, strings, icon);
-      });
+      }
+    );
   },
 
   showSideloaded(tabbrowser, addon) {
@@ -134,7 +134,7 @@ export var ExtensionsUI = {
 
     let strings = this._buildStrings({
       addon,
-      permissions: addon.userPermissions,
+      permissions: addon.installPermissions,
       type: "sideload",
     });
 
@@ -339,8 +339,6 @@ export var ExtensionsUI = {
   async showPermissionsPrompt(target, strings, icon) {
     let { browser, window } = getTabBrowser(target);
 
-    await window.ensureCustomElements("moz-support-link");
-
     // Wait for any pending prompts to complete before showing the next one.
     let pending;
     while ((pending = this.pendingNotifications.get(browser))) {