add single-click customization options for people with non-default prefs

A user raised concern they use right click as primary button on their system : https://www.reddit.com/r/kde/comments/nz9emn/beta_testers_wanted_inviting_brave_testers_for/h1p46zv?utm_source=share&utm_medium=web2x&context=3

This MR aims to aid such users which use right mouse button as primary on their systems.