Fix broken chat

The chat could be broken since the write item return value "fix" from 537f308

Also remove our own location from the connection count, since obviously it's not part of it.

app/src/main/java/io/xeres/app/application/Startup.java

@@ -132,7 +132,7 @@ public void onApplicationEvent(LocationReadyEvent ignoredEvent)
 		try (var ignored = new DatabaseSession(databaseSessionManager))
 		{
 			syncAutoStart();
-			statusNotificationService.setTotalUsers((int) locationService.getAllLocations().stream().filter(location -> !location.isOwn()).count());
+			statusNotificationService.setTotalUsers((int) locationService.countLocations());
 			networkService.start();
 		}
 		MinimalUserInterface.setShell(shellService);

app/src/main/java/io/xeres/app/service/notification/status/StatusNotificationService.java

@@ -61,7 +61,7 @@ public void setCurrentUsersCount(int value)
 
 	public void setTotalUsers(int value)
 	{
-		totalUsers = value;
+		totalUsers = value - 1; // We remove our own location
 		sendNotification(createNotification());
 	}
 

app/src/main/java/io/xeres/app/xrs/service/chat/ChatRsService.java

@@ -887,7 +887,7 @@ private boolean bounce(PeerConnection peerConnection, ChatRoomBounce bounce)
 			if (peerConnection == null || !Objects.equals(location, peerConnection.getLocation()))
 			{
 				var status = peerConnectionManager.writeItem(location, bounce.clone(), this); // Netty frees sent items so we need to clone
-				if (!status.isSuccess())
+				if (status.isDone() && !status.isSuccess())
 				{
 					iterator.remove(); // Failed to write, it means the location disconnected, so we need to remove it from our participating locations
 				}