fix: Clear stale media unavailable errors when a camera recovers (#2627)

- Closes: #2576

src/types.ts

@@ -59,12 +59,6 @@ export type MediaLoadedInfoOwner = HTMLElement;
 export interface MediaLoadedInfoEventDetail {
   info: MediaLoadedInfo;
 
-  // Absent (the default, a fresh media load) unless `true`, which marks a
-  // replay: the source re-dispatched its last load on reconnect without the
-  // media actually reloading (e.g. preloaded camera in the background when
-  // brought to the foreground).
-  cached?: boolean;
-
   // Aborts when the source retires this media. The source aborts on host
   // disconnect, and when a subsequent `set()` arrives under a different
   // `targetID` (replacing this dispatch). Independent of DOM connectedness, so