fix: Fixed create button hiding and reshowing when clicked multiple times, b=no-bug, c=common, workspaces

src/zen/common/ZenCustomizableUI.sys.mjs

@@ -107,14 +107,16 @@ export var ZenCustomizableUI = new (class {
   _initCreateNewButton(window) {
     const button = window.document.getElementById('zen-create-new-button');
     button.addEventListener('command', () => {
-      if (button.hasAttribute('zen-ignore-open')) {
+      if (button.hasAttribute('open')) {
         return;
       }
       const image = button.querySelector('image');
       const popup = window.document.getElementById('zenCreateNewPopup');
-      button.setAttribute('zen-ignore-open', 'true');
+      button.setAttribute('open', 'true');
       const handlePopupHidden = () => {
-        button.removeAttribute('zen-ignore-open');
+        window.setTimeout(() => {
+          button.removeAttribute('open');
+        }, 100);
         window.gZenUIManager.motion.animate(
           image,
           { transform: ['rotate(45deg)', 'rotate(0deg)'] },

src/zen/workspaces/ZenWorkspaceCreation.mjs

@@ -303,6 +303,7 @@
         gURLBar.textbox.style.opacity = 0;
       }
 
+      this.remove();
       gZenUIManager.updateTabsToolbar();
 
       const workspace = await gZenWorkspaces.getActiveWorkspace();
@@ -320,6 +321,7 @@
           bounce: 0,
         }
       );
+
       gBrowser.tabContainer.style.opacity = '';
       if (gZenVerticalTabsManager._hasSetSingleToolbar) {
         gURLBar.textbox.style.opacity = '';
@@ -330,8 +332,6 @@
       }
 
       this.#hiddenElements = [];
-
-      this.remove();
     }
   }