Feature Request: Ability to highlight cursor postion

It would be nice, like it iterm2, to be able to highlight the cursor position when getting something like ` + ?`.

Many times inside complex tmux setup it's easy to loose track and the cursor can be hard to find

The issue names no files or tests. Start by locating the iOS terminal cursor-rendering and key-command entry points, then compare the intended Cmd+? trigger with the iTerm2 behavior. Done means a visible cursor highlight can be invoked while navigating a complex tmux session.

Written by the indexing model from the issue text.