Restore world saving, fix five server crashes, and persist dropped items - #5

Process completed with exit code 1.

'Server' does not contain a definition for 'GetObject' and no accessible extension method 'GetObject' accepting a first argument of type 'Server' could be found (are you missing a using directive or an assembly reference?)

'Server' does not contain a definition for 'GetObject' and no accessible extension method 'GetObject' accepting a first argument of type 'Server' could be found (are you missing a using directive or an assembly reference?)

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-dotnet@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'NetworkController.SendToClientsSubscribedToParents(NetworkData, SpaceObject, long, int)' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'NetworkController.SendToClientsSubscribedTo(NetworkData, long, params SpaceObject[])' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'NetworkController.SendToClientsSubscribedTo(NetworkData, long, params SpaceObject[])' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'NetworkController.SendToClientsSubscribedTo(NetworkData, long, params SpaceObject[])' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'NetworkController.SendToClientsSubscribedTo(NetworkData, long, params SpaceObject[])' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'Player.UnsubscribeFrom(SpaceObject)' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'Player.IsSubscribedTo(long)' is obsolete: 'This subscribe system needs to be replaced with a more permanent solution that works better with the new movement architecture.'

'Server.DoesObjectExist(long)' is obsolete

'Server.DoesObjectExist(long)' is obsolete