VSCode extension panics when opening an empty prisma schema

[Druue]

Bug description

Highlighted here

Opening an empty prisma schema file i.e.

Yields the following error pop-up

With the following details in output

prisma-schema-wasm errored with: prisma-schema-wasm errored when invoking lint.
Cannot read properties of undefined (reading 'set_message')

TypeError: Cannot read properties of undefined (reading 'set_message')
    at module.exports.__wbg_setmessage_e113e9fee2d41bd4 (/Users/soph/.vscode/extensions/prisma.prisma-insider-31.0.3731/node_modules/@prisma/prisma-schema-wasm/src/prisma_schema_build.js:412:39)
    at prisma_schema_build.wasm.std::panicking::rust_panic_with_hook::h32c80a64fe4de396 (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[1184]:0x177d5c)
    at prisma_schema_build.wasm.std::panicking::begin_panic_handler::{{closure}}::hd496964d114e98b9 (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[1707]:0x193bc9)
    at prisma_schema_build.wasm.std::sys_common::backtrace::__rust_end_short_backtrace::h0d4686a7fe3981a4 (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[3159]:0x1ae64b)
    at prisma_schema_build.wasm.rust_begin_unwind (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[2488]:0x1a7e51)
    at prisma_schema_build.wasm.core::panicking::panic_fmt::hc7427f902a13f1a9 (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[2548]:0x1a8cc6)
    at prisma_schema_build.wasm.psl::validate_multi_file::h98389ae160d0c52a (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[607]:0x13ef6e)
    at prisma_schema_build.wasm.lint (wasm://wasm/prisma_schema_build.wasm-00a79fbe:wasm-function[101]:0xb7db1)
    at module.exports.lint (/Users/soph/.vscode/extensions/prisma.prisma-insider-31.0.3731/node_modules/@prisma/prisma-schema-wasm/src/prisma_schema_build.js:209:14)
    at lint (/Users/soph/.vscode/extensions/prisma.prisma-insider-31.0.3731/node_modules/@prisma/language-server/dist/lib/prisma-schema-wasm/lint.js:14:44)

How to reproduce

1. Open an empty prisma schema file with version 5.15.0 of the vscode extension
2. See error

Expected behavior

It shouldn't panic

Environment & setup

• OS: MacOS, Windows
• Editor: VS Code
• Editor version: v1.88.1
• Extension version: v5.15.0