gh-13364: Fixed split out context menu showing wrong label (gh-13365)

src/zen/common/ZenPreloadedScripts.js

@@ -22,6 +22,7 @@
     "chrome://browser/content/zen-components/ZenFolders.mjs",
     "chrome://browser/content/zen-components/ZenEmojiPicker.mjs",
     "chrome://browser/content/zen-components/ZenLiveFoldersUI.mjs",
+    "chrome://browser/content/zen-components/ZenDownloadAnimation.mjs",
   ];
 
   for (let script of scripts) {
@@ -30,7 +31,6 @@
 
   let customZenElements = [
     ["zen-folder", "chrome://browser/content/zen-components/ZenFolder.mjs"],
-    ["zen-download-animation", "chrome://browser/content/zen-components/ZenDownloadAnimation.mjs"],
     ["zen-workspace-creation", "resource:///modules/zen/ZenSpaceCreation.mjs"],
     ["zen-workspace", "resource:///modules/zen/ZenSpace.mjs"],
     ["zen-workspace-icons", "resource:///modules/zen/ZenSpaceIcons.mjs"]
@@ -43,12 +43,12 @@
       // used before DOMContentLoaded it will be imported and upgraded when
       // registering the customElements.setElementCreationCallback().
       for (let [tag, script] of customZenElements) {
-          customElements.setElementCreationCallback(
-            tag,
-            function customElementCreationCallback() {
-                ChromeUtils.importESModule(script, { global: "current" });
-            }
-          );
+        customElements.setElementCreationCallback(
+          tag,
+          function customElementCreationCallback() {
+            ChromeUtils.importESModule(script, { global: "current" });
+          }
+        );
       }
     },
     { once: true }

src/zen/split-view/ZenViewSplitter.mjs

@@ -1166,7 +1166,10 @@ class nsZenViewSplitter extends nsZenDOMOperatedFeature {
   insetUpdateContextMenuItems() {
     const contentAreaContextMenu = document.getElementById("tabContextMenu");
     contentAreaContextMenu.addEventListener("popupshowing", () => {
-      let contextTab = TabContextMenu.contextTab || gBrowser.selectedTab;
+      let contextTab = TabContextMenu.contextTab;
+      if (!contextTab) {
+        return;
+      }
       let selectedTabs = contextTab.multiselected
         ? gBrowser.selectedTabs
         : [contextTab];
@@ -1249,6 +1252,11 @@ class nsZenViewSplitter extends nsZenDOMOperatedFeature {
     let currentTab = TabContextMenu.contextTab || gBrowser.selectedTab;
     if (currentTab.multiselected) {
       tabs = gBrowser.selectedTabs;
+    } else if (!currentTab.selected) {
+      tabs = [
+        currentTab,
+        ...gBrowser.selectedTabs.filter(t => t !== currentTab),
+      ];
     } else {
       tabs = [currentTab];
     }