Fix little issue

src/helpers/ConversationsHelper.ts

@@ -55,7 +55,7 @@ export class ConversationsHelper {
 	 * 
 	 * @param convID  The ID of the conversation to get
 	 */
-	public static async GetSingle(convID : number) : Promise<Conversation | null> {
+	public static async GetSingle(convID : number, userID: number) : Promise<Conversation | null> {
 		const result = await DatabaseHelper.QueryRow({
 			fields: [
 				"*",
@@ -72,6 +72,7 @@ export class ConversationsHelper {
 			],
 			where: {
 				"l.id": convID,
+				"u.user_id": userID
 			}
 		});