Feature Request: Expand/Collapse Option for Device Target in TOC for Improved Usability

[askcode21]

Multiple user requested for this option. As they want expand and collapase feature on selected device. For more information please refer to the below ticket.

Reference ticket: https://wordpress.org/support/topic/is-it-possble-to-apply-hide-the-table-of-contents-option-to-mobile-only/