Can't use generic param as a casting type

[taichi-ishitani]

Veryl reports mismatch_type error for the code below.

module ModuleA::<WIDTH: u32> {
    let _a: logic<WIDTH> = 0 as WIDTH;
}

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  💥 "WIDTH" is expected to "enum or union or struct", but it is "generic
  │ parameter"
   ╭─[:2:33]
 1 │ module ModuleA::<WIDTH: u32, TYPE: type> {
 2 │     let _a: logic<WIDTH> = 0 as WIDTH;
   ·                                 ──┬──
   ·                                   ╰── Error location
 3 │     let _b: TYPE         = 0 as TYPE ;
   ╰────
  help: