Add search functionality to the "Parent link" select list.

Problem/Motivation

In Improve menu parent link selection 📌 Improve menu parent link selection Needs work issue we seprated the long menu select list into 2 sublists.There was a suggestion to add the search functionality in comment #67 📌 Improve menu parent link selection Needs work to search for the desired menu from the long list of menus.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes

Release notes snippet