fix: Fixed expanding glance while on a split view, b=no-bug, c=no-component

src/browser/components/tabbrowser/content/tabbrowser-js.patch

@@ -1,5 +1,5 @@
 diff --git a/browser/components/tabbrowser/content/tabbrowser.js b/browser/components/tabbrowser/content/tabbrowser.js
-index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a92b6a07d6 100644
+index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..1033da146ef5a3463f9fb15168060424b64a64ab 100644
 --- a/browser/components/tabbrowser/content/tabbrowser.js
 +++ b/browser/components/tabbrowser/content/tabbrowser.js
 @@ -422,15 +422,49 @@
@@ -364,10 +364,10 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
 +            gZenWorkspaces._initialTab._shouldRemove = true;
 +          }
 +        }
-       }
++      }
 +      else {
 +        gZenWorkspaces._tabToRemoveForEmpty = this.selectedTab;
-+      }
+       }
 +      this._hasAlreadyInitializedZenSessionStore = true;
  
        if (tabs.length > 1 || !tabs[0].selected) {
@@ -612,10 +612,13 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
          element = element.group;
          if (targetElement?.group) {
            targetElement = targetElement.group;
-@@ -6130,8 +6260,12 @@
+@@ -6130,8 +6260,15 @@
        }
  
        // Don't allow mixing pinned and unpinned tabs.
++      if (targetElement.group?.hasAttribute("split-view-group")) {
++        targetElement = targetElement.group;
++      }
 +      targetElement = gZenGlanceManager.getTabOrGlanceParent(targetElement);
 +      if (element.hasAttribute('zen-essential') && !targetElement?.hasAttribute('zen-essential')) {
 +        targetElement = this.tabsWithoutGlance[this._numZenEssentials - 1];
@@ -626,7 +629,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
          moveBefore = false;
        } else if (!element.pinned && targetElement && targetElement.pinned) {
          // If the caller asks to move an unpinned element next to a pinned
-@@ -6145,7 +6279,7 @@
+@@ -6145,7 +6282,7 @@
          //    move the tab group right before the first unpinned tab.
          // 4. Moving a tab group and the first unpinned tab is grouped:
          //    move the tab group right before the first unpinned tab's tab group.
@@ -635,7 +638,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
          if (targetElement.group) {
            targetElement = targetElement.group;
          }
-@@ -6153,6 +6287,7 @@
+@@ -6153,6 +6290,7 @@
        }
  
        let getContainer = () =>
@@ -643,7 +646,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
          element.pinned
            ? this.tabContainer.pinnedTabsContainer
            : this.tabContainer;
-@@ -6210,7 +6345,7 @@
+@@ -6210,7 +6348,7 @@
        if (!this.isTab(aTab)) {
          throw new Error("Can only move a tab into a tab group");
        }
@@ -652,7 +655,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
          return;
        }
        if (aTab.group && aTab.group.id === aGroup.id) {
-@@ -6304,6 +6439,10 @@
+@@ -6304,6 +6442,10 @@
  
        moveActionCallback();
  
@@ -663,7 +666,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
        // Clear tabs cache after moving nodes because the order of tabs may have
        // changed.
        this.tabContainer._invalidateCachedTabs();
-@@ -7198,7 +7337,7 @@
+@@ -7198,7 +7340,7 @@
              // preventDefault(). It will still raise the window if appropriate.
              break;
            }
@@ -672,7 +675,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
            window.focus();
            aEvent.preventDefault();
            break;
-@@ -8143,6 +8282,7 @@
+@@ -8143,6 +8285,7 @@
              aWebProgress.isTopLevel
            ) {
              this.mTab.setAttribute("busy", "true");
@@ -680,7 +683,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
              gBrowser._tabAttrModified(this.mTab, ["busy"]);
              this.mTab._notselectedsinceload = !this.mTab.selected;
            }
-@@ -9108,7 +9248,7 @@ var TabContextMenu = {
+@@ -9108,7 +9251,7 @@ var TabContextMenu = {
      );
      contextUnpinSelectedTabs.hidden =
        !this.contextTab.pinned || !this.multiselected;
@@ -689,7 +692,7 @@ index 96fd8acdc09cc4c9649d1ed7503c2a0bde536613..87fb109037d13183e76184201de600a9
      // Move Tab items
      let contextMoveTabOptions = document.getElementById(
        "context_moveTabOptions"
-@@ -9384,6 +9524,7 @@ var TabContextMenu = {
+@@ -9384,6 +9527,7 @@ var TabContextMenu = {
          )
        );
      } else {