[ui5-tabcontainer]: more than 1 selected item after new item is inserted

[dimovpetar]

Bug Description

selected attribute is not properly updated after new item is inserted

Affected Component

ui5-tabcontainer

Expected Behaviour

No response

Isolated Example

https://stackblitz.com/edit/js-9bn4qf?file=index.js,index.html,tsconfig.json

Steps to Reproduce

1. Open https://stackblitz.com/edit/js-9bn4qf?file=index.js,index.html,tsconfig.json
2. Press on the button

Log Output, Stack Trace or Screenshots

No response

Priority

Medium

UI5 Web Components Version

1.22.0

Browser

Chrome

Operating System

No response

Additional Context

No response

Organization

No response

Declaration

• [X] I’m not disclosing any internal or sensitive information.