Move generateId() out of toggletip to be a utility

Problem/Motivation

✨ Create a new component: Toggletip RTBC introduces a generateId() function inside Drupal.behaviors.toggleTip. This function could potentially be helpful in scenarios outside of toggletips so it should be moved out to be a utility.

Steps to reproduce

Proposed resolution

Remaining tasks

User interface changes

API changes

Data model changes

Release notes snippet