debugger: Add spinners while session is starting up (#31548)

Release Notes:

- Debugger Beta: Added a spinner to the debug panel when a session is
starting up.

---------

Co-authored-by: Remco Smits <djsmits12@gmail.com>
Co-authored-by: Julia <julia@zed.dev>

crates/debugger_ui/src/session/running/console.rs

@@ -110,7 +110,7 @@ impl Console {
     }
 
     fn is_running(&self, cx: &Context<Self>) -> bool {
-        self.session.read(cx).is_local()
+        self.session.read(cx).is_running()
     }
 
     fn handle_stack_frame_list_events(