Closes #4644 Release Notes: - Adds `MousePressureEvent`, an event that is sent anytime the touchpad pressure changes, into `gpui`. MacOS only. - Triggers go-to-defintion on force clicks in the editor. This is my first contribution, let me know if I've missed something here. --------- Co-authored-by: Anthony Eid <anthony@zed.dev> Co-authored-by: Antonio Scandurra <me@as-cii.com>