Fixes bug of messages not reappearing after memory trimming.

app/src/main/java/com/vitorpamplona/amethyst/ServiceManager.kt

@@ -142,6 +142,8 @@ object ServiceManager {
 
         account?.let {
             LocalCache.pruneOldAndHiddenMessages(it)
+            NostrChatroomDataSource.clearEOSEs(it)
+
             LocalCache.pruneHiddenMessages(it)
             LocalCache.pruneContactLists(accounts)
             LocalCache.pruneRepliesAndReactions(accounts)

app/src/main/java/com/vitorpamplona/amethyst/service/NostrChatroomDataSource.kt

@@ -56,6 +56,10 @@ object NostrChatroomDataSource : NostrDataSource("ChatroomFeed") {
         }
     }
 
+    fun clearEOSEs(account: Account) {
+        latestEOSEs.removeDataFor(account.userProfile())
+    }
+
     val inandoutChannel = requestNewChannel { time, relayUrl ->
         latestEOSEs.addOrUpdate(account.userProfile(), withRoom.hashCode().toString(), relayUrl, time)
     }

app/src/main/java/com/vitorpamplona/amethyst/service/relays/EOSE.kt

@@ -43,4 +43,8 @@ class EOSEAccount(var users: Map<User, EOSEFollowList> = emptyMap()) {
             followList.addOrUpdate(listCode, relayUrl, time)
         }
     }
+
+    fun removeDataFor(user: User) {
+        users = users.minus(user)
+    }
 }