gpui: Press enter, space to trigger click to focused element (#35075)

Release Notes:

- N/A

> Any user interaction that is equivalent to a click, such as pressing
the Space key or Enter key while the element is focused. Note that this
only applies to elements with a default key event handler, and
therefore, excludes other elements that have been made focusable by
setting the
[tabindex](https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Global_attributes/tabindex)
attribute.

https://developer.mozilla.org/en-US/docs/Web/API/Element/click_event

---------

Co-authored-by: Anthony <anthony@zed.dev>
Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>
Co-authored-by: Umesh Yadav <23421535+imumesh18@users.noreply.github.com>

crates/collab_ui/src/collab_panel.rs

@@ -2605,7 +2605,7 @@ impl CollabPanel {
                                     let contact = contact.clone();
                                     move |this, event: &ClickEvent, window, cx| {
                                         this.deploy_contact_context_menu(
-                                            event.down.position,
+                                            event.position(),
                                             contact.clone(),
                                             window,
                                             cx,