I am really sorry. The LR RWD handling is a major organizational failure.
Again since you are in the US there is an order support number and those people appear to have better training or assistance software and have helped some people. See this article about using order support
Model Y LR RWD - Existing Orders - FAQ's
I think there is now some hope that the original LR RWD orders will be filled. Tesla China filed government paperwork for making this model for the Chinese market and the Shanghai plant has started shipping excess capacity to Europe and other locations.
Tesla files to produce 5 more versions of Model Y at Gigafactory Shanghai, some for export
The current quality control from Shanghai looks to be as good or better than Fremont. It is easier for them with a new from scratch plant.