edit prediction cli: Progress output cleanup (#44708)

- Limit status lines to 10 in case `max_parallelism` is specified with a
grater value
- Handle logging gracefully rather than writing over it when clearing
status lines

Release Notes:

- N/A

crates/edit_prediction_cli/Cargo.toml

@@ -56,7 +56,6 @@ watch.workspace = true
 edit_prediction = { workspace = true, features = ["cli-support"] }
 wasmtime.workspace = true
 zeta_prompt.workspace = true
-zlog.workspace = true
 
 # Wasmtime is included as a dependency in order to enable the same
 # features that are enabled in Zed.