Tweaks (#24484)

* fix long press on mobile in face and classification

the listener was on the image only, so long pressing on any overlaid div/text area would cause iOS to select the text instead of adding the blue outline

* improve navigation to and from explore

when viewing a tracked object in explore from a classification card, triggers, or the detail stream, explore would open and show a single tracked object. on mobile (noted especially on iOS with frigate in HA), there is no obvious way to navigate back, so add a back button in its usual spot.

also, when going back to the classification view from explore, it may not be obvious which thumbnail you were last viewing, so add a temporary blue outline around the card like review and explore already does

* test tweaks

web/src/components/timeline/DetailStream.tsx

@@ -727,6 +727,7 @@ function EventList({
                     <div className="text-sm text-secondary-foreground">
                       <Link
                         to={`/explore?recognized_license_plate=${event.data.recognized_license_plate}`}
+                        state={{ canGoBack: true }}
                         className="text-sm"
                       >
                         {event.data.recognized_license_plate}

web/src/components/timeline/EventMenu.tsx

@@ -135,7 +135,9 @@ export default function EventMenu({
             <DropdownMenuItem
               className="cursor-pointer"
               onSelect={() => {
-                navigate(`/explore?event_id=${event.id}`);
+                navigate(`/explore?event_id=${event.id}`, {
+                  state: { canGoBack: true },
+                });
               }}
             >
               {t("details.item.button.viewInExplore")}
@@ -177,6 +179,7 @@ export default function EventMenu({
                   else
                     navigate(
                       `/explore?search_type=similarity&event_id=${event.id}`,
+                      { state: { canGoBack: true } },
                     );
                 }}
               >