feat: update preferences and UI components for new features and improvements

src/browser/base/content/browser-init-js.patch

@@ -1,36 +1,17 @@
 diff --git a/browser/base/content/browser-init.js b/browser/base/content/browser-init.js
-index 63100defacf66c6b3232b9e0a783a5fd14e3a46a..398d685b142a47a85619dfc55772ea98ccfad445 100644
+index 3d5173315812589c0b79beec5f0419fc37cb8868..c4216db9e414fbbaead6ecd89b40366b0d8a50c1 100644
 --- a/browser/base/content/browser-init.js
 +++ b/browser/base/content/browser-init.js
-@@ -162,13 +162,15 @@ var gBrowserInit = {
-         elem.setAttribute("skipintoolbarset", "true");
-       }
-     }
-+    ZenCustomizableUI.init(window);
-     for (let area of CustomizableUI.areas) {
-       let type = CustomizableUI.getAreaType(area);
--      if (type == CustomizableUI.TYPE_TOOLBAR) {
-+      if (type == CustomizableUI.TYPE_TOOLBAR && !area.startsWith("zen-")) {
-         let node = document.getElementById(area);
-         CustomizableUI.registerToolbarNode(node);
-       }
-     }
-+    ZenCustomizableUI.registerToolbarNodes(window);
-     if (isVerticalTabs) {
-       // Show the vertical tabs toolbar
-       setToolbarVisibility(
-@@ -287,6 +289,10 @@ var gBrowserInit = {
-     gPrivateBrowsingUI.init();
-     BrowserSearch.init();
-     BrowserPageActions.init();
-+
-+Services.scriptloader.loadSubScript("chrome://browser/content/ZenStartup.mjs", window);
-+Services.scriptloader.loadSubScript("chrome://browser/content/zenThemeModifier.js", window);
-+
-     if (gToolbarKeyNavEnabled) {
-       ToolbarKeyboardNavigator.init();
-     }
-@@ -365,6 +371,7 @@ var gBrowserInit = {
+@@ -175,6 +175,8 @@ var gBrowserInit = {
+   },
+ 
+   onLoad() {
++    Services.scriptloader.loadSubScript("chrome://browser/content/ZenStartup.mjs", window);
++    Services.scriptloader.loadSubScript("chrome://browser/content/zenThemeModifier.js", window);
+     gBrowser.addEventListener("DOMUpdateBlockedPopups", e =>
+       PopupBlockerObserver.handleEvent(e)
+     );
+@@ -310,6 +312,7 @@ var gBrowserInit = {
      TelemetryTimestamps.add("delayedStartupStarted");
  
      this._cancelDelayedStartup();