desktop/src/toolkit/content/widgets/tabbox-js.patch

diff --git a/toolkit/content/widgets/tabbox.js b/toolkit/content/widgets/tabbox.js
index 6775a7635c6cdbb276b3a912d0bba07840acb28f..fc5d3b1fab286c657c27b98d56bb616dfab3caef 100644
--- a/toolkit/content/widgets/tabbox.js
+++ b/toolkit/content/widgets/tabbox.js
@@ -213,7 +213,7 @@
     ) {
       this._inAsyncOperation = false;
       if (oldPanel != this._selectedPanel) {
-        oldPanel?.classList.remove("deck-selected");
+        if (!oldPanel?.classList.contains("zen-glance-background")) oldPanel?.classList.remove("deck-selected");
         this._selectedPanel?.classList.add("deck-selected");
       }
       this.setAttribute("selectedIndex", val);
@@ -610,7 +610,7 @@
       if (!tab) {
         return;
       }
-      for (let otherTab of this.allTabs) {
+      for (let otherTab of window.ZenWorkspaces?.allStoredTabs ?? this.allTabs) {
         if (otherTab != tab && otherTab.selected) {
           otherTab._selected = false;
         }
@@ -823,7 +823,7 @@
         if (tab == startTab) {
           return null;
         }
-        if (filter(tab)) {
+        if (filter(tab) && !tab.hasAttribute("zen-glance-tab") && !tab.hasAttribute("zen-empty-tab")) {
           return tab;
         }
       }
@@ -888,7 +888,7 @@
       let { ariaFocusedItem } = this;
       let startTab = ariaFocusedItem;
       if (!ariaFocusedItem || !this.allTabs.includes(ariaFocusedItem)) {
-        startTab = this.selectedItem;
+        startTab = gZenGlanceManager.getFocusedTab(aDir) || this.selectedItem;
       }
       let newTab = null;