Update Zen Browser styles for dark mode compatibility

configs/common/mozconfig

@@ -39,7 +39,6 @@ if test "$ZEN_RELEASE"; then
   ac_add_options --disable-tests
   ac_add_options --enable-strip
   ac_add_options --enable-install-strip
-  ac_add_options --enable-lto=full
   
   ac_add_options --enable-rust-simd
   ac_add_options --disable-parental-controls

src/browser/base/content/ZenSidebarManager.mjs

@@ -19,6 +19,7 @@ var gZenBrowserManagerSidebar = {
     this.update();
     this.close(); // avoid caching
     this.listenForPrefChanges();
+    this.insertIntoContextMenu();
   },
 
   get sidebarData() {
@@ -231,6 +232,19 @@ var gZenBrowserManagerSidebar = {
     this._updateWebPanel();
   },
 
+  _createNewPanel(url) {
+    let data = this.sidebarData;
+    let newName = "p" + new Date().getTime();
+    data.index.push(newName);
+    data.data[newName] = {
+      url: url,
+      ua: false,
+    };
+    Services.prefs.setStringPref("zen.sidebar.data", JSON.stringify(data));
+    this._currentPanel = newName;
+    this.update();
+  },
+
   _updateButtons() {
     for (let button of this.sidebarElement.querySelectorAll(".zen-sidebar-panel-button")) {
       if (button.getAttribute("zen-sidebar-id") === this._currentPanel) {
@@ -477,6 +491,21 @@ var gZenBrowserManagerSidebar = {
     browser.remove();
     this._closeSidebarPanel();
   },
+
+  insertIntoContextMenu() {
+    const sibling = document.getElementById("context-stripOnShareLink");
+    const menuitem = document.createXULElement("menuitem");
+    menuitem.setAttribute("id", "context-zenAddToWebPanel");
+    menuitem.setAttribute("hidden", "true");
+    menuitem.setAttribute("oncommand", "gZenBrowserManagerSidebar.addPanelFromContextMenu();");
+    menuitem.setAttribute("data-l10n-id", "zen-web-side-panel-context-add-to-panel");
+    sibling.insertAdjacentElement("afterend", menuitem);
+  },
+
+  addPanelFromContextMenu() {
+    const url = gContextMenu.linkURL || gContextMenu.target.ownerDocument.location.href;
+    this._createNewPanel(url);
+  },
 };
 
 gZenBrowserManagerSidebar.init();

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

@@ -0,0 +1,16 @@
+diff --git a/browser/base/content/nsContextMenu.js b/browser/base/content/nsContextMenu.js
+index b5c8dd44daaab18397cf01d0ef9f5288f5113925..f59b494dc287edaa148f726902244224330d81c5 100644
+--- a/browser/base/content/nsContextMenu.js
++++ b/browser/base/content/nsContextMenu.js
+@@ -1047,6 +1047,11 @@ class nsContextMenu {
+         !this.isSecureAboutPage()
+     );
+ 
++    this.showItem(
++      "context-zenAddToWebPanel",
++      this.onLink && !this.onMailtoLink && !this.onTelLink
++    );
++
+     let copyLinkSeparator = document.getElementById("context-sep-copylink");
+     // Show "Copy Link", "Copy" and "Copy Clean Link" with no divider, and "copy link" and "Send link to Device" with no divider between.
+     // Other cases will show a divider.

src/browser/locales/en-US/browser/zen-web-side-panels.ftl

@@ -20,4 +20,9 @@ zen-web-side-panel-context-delete =
     .accesskey = D
 zen-web-side-panel-open-in-new-tab =
     .label = Open in New Tab
-    .accesskey = N
+    .accesskey = N
+
+
+zen-web-side-panel-context-add-to-panel =
+    .label = Add to Web Panels
+    .accesskey = A

src/browser/themes/shared/zen-icons/icons.css

@@ -34,7 +34,8 @@
 	list-style-image: url("sidebars-right.svg") !important;
 }
 
-#context_zenSplitTabs {
+#context_zenSplitTabs,
+#context-zenAddToWebPanel {
 	/* TODO: Add split view icon */
 	--menu-image: url("sidebars-right.svg") !important;
 }