Bad error message for unterminated interpolation in command literal

```julia-repl
julia> `$(`
ERROR: syntax: invalid syntax (incomplete #, message=#), Base.JuliaSyntax.Diagnostic(first_byte=0, last_byte=0, level=#, message=#), Base.JuliaSyntax.Diagnostic(first_byte=0, last_byte=0, level=#, message=#), Base.JuliaSyntax.Diagnostic(first_byte=0, last_byte=0, level=#, message=#), Base.JuliaSyntax.Diagnostic(first_byte=0, last_byte=0, level=#, message=#), Base.JuliaSyntax.Diagnostic(first_byte=0, last_byte=0, level=#, message=#), Base.JuliaSyntax.Diagnostic(first_byte=0, last_byte=0, level=#, message=#)]), incomplete_tag=:other))>)
Stacktrace:
[1] top-level scope
@ REPL[1]:1

julia> versioninfo()
Julia Version 1.11.1
Commit 8f5b7ca12ad (2024-10-16 10:53 UTC)
Build Info:
Official https://julialang.org/ release
Platform Info:
OS: Linux (aarch64-linux-gnu)
CPU: 8 × unknown
WORD_SIZE: 64
LLVM: libLLVM-16.0.6 (ORCJIT, apple-m2)
Threads: 1 default, 0 interactive, 1 GC (on 8 virtual cores)
```