UI tweaks (#20649)

* match face wizard with camera and classification wizards

* remove review detail dialog and link chip to detail stream in history

* remove footer on explore images and move to overlay

* use consistent overlay button styles

* spacing tweak

* ensure selected ring stays on top of gradients

* fix z-index

* match object lifecycle with details

web/src/pages/Events.tsx

@@ -66,6 +66,7 @@ export default function Events() {
               camera: resp.data.camera,
               startTime,
               severity: resp.data.severity,
+              timelineType: "detail",
             },
             true,
           );