Missing imports when using single-file/raw mode

NativeCodeGen version: v1.9.4
rdr3-natives version: master (70022f8)

Command: `nativegen.exe generate -i ./rdr3-natives -o ./output -f typescript --raw --single-file --exports`

<img width="899" height="583" alt="Image" src="https://github.com/user-attachments/assets/1bc1fbfc-9d86-4a5c-97dc-1742e2cf3d14" />