Enforce no dbg! and todo! in Rust code via clippy lints in the CI job (#4005)

Release Notes:

- N/A

crates/collab/src/tests/channel_guest_tests.rs

@@ -104,12 +104,10 @@ async fn test_channel_guest_promotion(cx_a: &mut TestAppContext, cx_b: &mut Test
     });
     assert!(project_b.read_with(cx_b, |project, _| project.is_read_only()));
     assert!(editor_b.update(cx_b, |e, cx| e.read_only(cx)));
-    assert!(dbg!(
-        room_b
-            .update(cx_b, |room, cx| room.share_microphone(cx))
-            .await
-    )
-    .is_err());
+    assert!(room_b
+        .update(cx_b, |room, cx| room.share_microphone(cx))
+        .await
+        .is_err());
 
     // B is promoted
     active_call_a

crates/vim/src/editor_events.rs

@@ -111,7 +111,6 @@ mod test {
 
         let mut cx1 = VisualTestContext::from_window(cx.window, &cx);
         let editor1 = cx.editor.clone();
-        dbg!(editor1.entity_id());
 
         let buffer = cx.new_model(|_| Buffer::new(0, 0, "a = 1\nb = 2\n"));
         let (editor2, cx2) = cx.add_window_view(|cx| Editor::for_buffer(buffer, None, cx));