Test: phone form component compat issue

What does this MR do and why?

• Closes #2749 (closed).
• Removes compatibility issue between both Vue2 and Vue3.

Describe in detail what your merge request does and why.

Test: phone form component compat issue

• Refactor some code for compatibility course.

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.