Datafusion CLI list tables broken

[connortsui20]

When running the datafusion-optd-cli, listing the tables doesn't work.

optd on  main is 📦 v0.1.1 via 🦀 v1.82.0 took 1m6s
❯ cargo run --bin datafusion-optd-cli
    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
     Running `target/debug/datafusion-optd-cli`
DataFusion CLI v32.0.0
❯ \d
thread 'main' panicked at optd-datafusion-bridge/src/lib.rs:64:81:
called `Option::unwrap()` on a `None` value
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace