fix: Enable Restore pinned tabs to their originally pinned URL on startup setting does not work, b=(bug #7453), c=tabs

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 5f406ea5d09273c9b70b84eee24c6267f88692f8..c7c3f7a97c79ce2a298e0673d62587619c4d936b 100644
+index 5f406ea5d09273c9b70b84eee24c6267f88692f8..be8740305b28cfc7752ad8f48ca94e69f8d324d1 100644
 --- a/browser/components/tabbrowser/content/tabbrowser.js
 +++ b/browser/components/tabbrowser/content/tabbrowser.js
 @@ -424,11 +424,67 @@
@@ -347,11 +347,12 @@ index 5f406ea5d09273c9b70b84eee24c6267f88692f8..c7c3f7a97c79ce2a298e0673d6258761
            if (!tabData.pinned) {
              this.unpinTab(tab);
            } else {
-@@ -3557,7 +3682,27 @@
+@@ -3557,8 +3682,28 @@
              skipLoad: true,
              preferredRemoteType,
            });
 -
+-          if (select) {
 +          if (tabData.zenWorkspace) {
 +            tab.setAttribute("zen-workspace-id", tabData.zenWorkspace);
 +          }
@@ -373,9 +374,10 @@ index 5f406ea5d09273c9b70b84eee24c6267f88692f8..c7c3f7a97c79ce2a298e0673d6258761
 +          if (tabData.zenPinnedEntry) {
 +            tab.setAttribute("zen-pinned-entry", tabData.zenPinnedEntry);
 +          }
-           if (select) {
++          if (select && !tabData.pinned) {
              tabToSelect = tab;
            }
+         }
 @@ -3570,8 +3715,8 @@
            // inserted in the DOM. If the tab is not yet in the DOM,
            // just insert it in the right place from the start.

src/zen/tabs/ZenPinnedTabManager.mjs

@@ -195,15 +195,7 @@
           pinsToCreate.delete(pinId);
 
           if (lazy.zenPinnedTabRestorePinnedTabsToPinnedUrl && init) {
-            tab.addEventListener(
-              'SSTabRestored',
-              () => {
-                this._resetTabToStoredState(event.target);
-              },
-              {
-                once: true,
-              }
-            );
+            this._resetTabToStoredState(tab);
           }
         } else {
           // This is a pinned tab that no longer has a corresponding pin
@@ -566,7 +558,7 @@
       }
     }
 
-    async _resetTabToStoredState(tab) {
+    _resetTabToStoredState(tab) {
       const id = tab.getAttribute('zen-pin-id');
       if (!id) {
         return;
@@ -580,13 +572,19 @@
       const tabState = SessionStore.getTabState(tab);
       const state = JSON.parse(tabState);
 
-      state.entries = [
-        {
-          url: pin.url,
-          title: pin.title,
-          triggeringPrincipal_base64: lazy.E10SUtils.SERIALIZED_SYSTEMPRINCIPAL,
-        },
-      ];
+      const foundEntryIndex = state.entries?.findIndex((entry) => entry.url === pin.url);
+      if (!foundEntryIndex || foundEntryIndex === -1) {
+        state.entries = [
+          {
+            url: pin.url,
+            title: pin.title,
+            triggeringPrincipal_base64: lazy.E10SUtils.SERIALIZED_SYSTEMPRINCIPAL,
+          },
+        ];
+      } else {
+        // Remove everything except the entry we want to keep
+        state.entries = [state.entries[foundEntryIndex]];
+      }
 
       state.image = pin.iconUrl || null;
       state.index = 0;