fix: deleted rooms persisting in navigation

src/app/core/state.ts

@@ -596,6 +596,8 @@ export const splitRoomId = (id: string) => id.split("'")
 export const hasNip29 = (relay?: RelayProfile) =>
   Boolean(relay?.supported_nips?.map?.(String)?.includes?.("29"))
 
+const getRoomDeleteId = (event: TrustedEvent) => getTagValue("h", event.tags)
+
 export const roomMetaEventsByIdByUrl = deriveEventsByIdByUrl({
   tracker,
   repository,
@@ -610,7 +612,9 @@ export const roomsByUrl = derived(roomMetaEventsByIdByUrl, roomMetaEventsByIdByU
     const deletedByH = new Map<string, number>()
 
     for (const event of deleteEvents) {
-      for (const h of getTagValues("h", event.tags)) {
+      const h = getRoomDeleteId(event)
+
+      if (h) {
         deletedByH.set(h, max([deletedByH.get(h), event.created_at]))
       }
     }