T23c round 2 fix

- a trigger opens only its word, so a path keeps its slashes in the query
- suggestions reveal the cursor once the list has its bounds: Popup takes a
  row to reveal, and a canvas inside the list asks for it and one more frame

src/forms/masked.rs

@@ -303,6 +303,7 @@ impl RenderOnce for PhoneInput {
                             })
                         })),
                         scroll: None,
+                        reveal: None,
                     }
                     .render(window, cx),
                 )