fix(dees-appui): prevent main grid overflow by adding overflow:hidden; and add Playwright scroll containment screenshots

ts_web/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@design.estate/dees-catalog',
-  version: '3.29.0',
+  version: '3.29.1',
   description: 'A comprehensive library that provides dynamic web components for building sophisticated and modern web applications using JavaScript and TypeScript.'
 }

ts_web/elements/00group-appui/dees-appui/dees-appui.ts

@@ -185,6 +185,7 @@ export class DeesAppui extends DeesElement {
         /* grid-template-columns set dynamically in template */
         grid-template-rows: 1fr;
         transition: grid-template-columns 0.3s ease;
+        overflow: hidden;
       }
 
       /* Z-index layering for proper stacking */