"function $x does not exist" when using optional function parameters

[hbriese]

Code The code causing the error.

e.select(e.greet('greg')).run(db);
# OR
e.select(e.greet('greg'), e.cast(e.str, e.set())).run(db); 

Schema

module default {
  function greet(name: str, suffix: optional str) -> str using (
    "Hello, " ++ name
  );
}

Generated EdgeQL

SELECT default::greet("greg")

Error or desired behavior

QueryError: function "default::greet(arg0: std::str)" does not exist

Versions (please complete the following information):

• OS:
• EdgeDB version (e.g. 2.0): 4.5+28216a1"
• EdgeDB CLI version (e.g. 2.0): 4.1.0+03ae624
• edgedb-js version (e.g. 0.20.10;): 1.4.1
• @edgedb/generate version (e.g. 0.0.7;): 0.4.1
• TypeScript version: 5.3.3
• Node/Deno version: 20.9.0