wayland: implement commit-timing-v1

src/tasks/connector.rs

@@ -184,8 +184,10 @@ impl ConnectorHandler {
             latch_event: Default::default(),
             vblank_event: Default::default(),
             presentation_event: Default::default(),
+            render_margin_ns: Default::default(),
             flip_margin_ns: Default::default(),
             ext_copy_sessions: Default::default(),
+            before_latch_event: Default::default(),
         });
         on.update_visible();
         on.update_rects();