Implement a way to prevent players from downloading custom models after connection

[AmyrAhmady]

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Is your feature request related to a problem? Please describe. Not exactly a problem, but as a few people suggested before, preventing users to download custom models right after connecting can help with bunch of stuff, like authorizing them first before forcing them to download files

Describe the solution you'd like A function that disables sending custom model info RPC when a player is connected, only to be sent later, whenever the developers want it to be. This way they'll have control over it and they can do whatever that needs to be done before downloading starts, for example authorizations and etc

Additional context Also adding a method to trigger players to download leftover models or whatever else they need to have, by sending model info RPC and then switching virtual worlds (to a new one and then reverting it)