[AB-xxx] fixing passing wrong ID in contact slash command

abstracto-application/abstracto-modules/modmail/modmail-impl/src/main/java/dev/sheldan/abstracto/modmail/command/Contact.java

@@ -97,7 +97,7 @@ public CompletableFuture<CommandResult> executeAsync(CommandContext commandConte
     @Override
     public CompletableFuture<CommandResult> executeSlash(SlashCommandInteractionEvent event) {
         User user = slashCommandParameterService.getCommandOption(USER_PARMETER, event, User.class);
-        AUserInAServer userInAServer = userManagementService.loadOrCreateUser(user.getIdLong(), event.getGuild().getIdLong());
+        AUserInAServer userInAServer = userManagementService.loadOrCreateUser(event.getGuild().getIdLong(), user.getIdLong());
         // if this AUserInAServer already has an open thread, we should instead post a message
         // containing a link to the channel, instead of opening a new one
         if(modMailThreadManagementService.hasOpenModMailThreadForUser(userInAServer)) {