fix(plex): the show and season restart names its object and starts at 0 (E28 S3f2)

The header button said only "Play from start" and resumed the first
episode at its saved point. It now reads "Season from the start · S6 · E1"
or "Show from the start · S1 · E1" and asks the player for 0.

frontend/src/components/PlexBrowse.tsx

@@ -484,7 +484,9 @@ export default function PlexBrowse() {
       <PlexShowView
         showId={showId}
         onBack={sub.back}
-        onPlay={(epRk, queue) => sub.open({ kind: "player", id: epRk, queue })}
+        onPlay={(epRk, queue, fromStart) =>
+          sub.open({ kind: "player", id: epRk, queue, fromStart })
+        }
         onOpenSeason={(seasonId) => sub.open({ kind: "season", showId, seasonId })}
         onOpenShow={(id) => sub.open({ kind: "show", id })}
         onFilter={applyFilter}