Name the eye pass on the People screen

Once every image has been through the detector and only readings are
left — the state an already-indexed library is in the day the eye models
arrive — the button reads "Read eye state" rather than promising to
index, and the coverage line says what the faces are waiting for.

ui/dr-ui/src/identity.rs

@@ -808,6 +808,7 @@ mod tests {
             crop_px: 180.0,
             quality: Some(f32::from(seed) + 10.0),
             eyes: None,
+            landmarks_dense: Vec::new(),
             model_id: "w600k_mbf".into(),
             crop: Vec::new(),
         }