feat(dees-contextmenu,dees-appui-tabs,test): Prevent double-destruction of context menus, await window layer teardown, update destroyAll behavior, remove tabs content slot, and adjust tests

ts_web/elements/dees-contextmenu/dees-contextmenu.ts

@@ -134,6 +134,7 @@ export class DeesContextmenu extends DeesElement {
   private submenu: DeesContextmenu | null = null;
   private submenuTimeout: any = null;
   private parentMenu: DeesContextmenu | null = null;
+  private isDestroying: boolean = false;
 
   constructor() {
     super();
@@ -416,27 +417,33 @@ export class DeesContextmenu extends DeesElement {
   }
 
   public async destroy() {
+    // Guard against double-destruction
+    if (this.isDestroying) {
+      return;
+    }
+    this.isDestroying = true;
+
     // Clear timeout
     if (this.submenuTimeout) {
       clearTimeout(this.submenuTimeout);
       this.submenuTimeout = null;
     }
-    
+
     // Destroy submenu first
     if (this.submenu) {
       await this.submenu.destroy();
       this.submenu = null;
     }
-    
+
     // Only destroy window layer if this is not a submenu
     if (this.windowLayer && !this.parentMenu) {
-      this.windowLayer.destroy();
+      await this.windowLayer.destroy();
     }
-    
+
     this.style.opacity = '0';
     this.style.transform = 'scale(0.95) translateY(-10px)';
     await domtools.plugins.smartdelay.delayFor(100);
-    
+
     if (this.parentElement) {
       this.parentElement.removeChild(this);
     }
@@ -446,13 +453,14 @@ export class DeesContextmenu extends DeesElement {
    * Destroys this menu and all parent menus in the chain
    */
   public async destroyAll() {
-    // First destroy parent menus if they exist
-    if (this.parentMenu) {
-      await this.parentMenu.destroyAll();
-    } else {
-      // If we're at the top level, just destroy this menu
-      await this.destroy();
+    // Find the root menu (top-level parent)
+    let rootMenu: DeesContextmenu = this;
+    while (rootMenu.parentMenu) {
+      rootMenu = rootMenu.parentMenu;
     }
+
+    // Destroy from the root - this will cascade through all submenus
+    await rootMenu.destroy();
   }
 }