debugger: Add args argument to debugger launch config (#27953)

This also fixes a bug where debug cargo test code actions would debug
all tests in a mod instead of a specific test

Release Notes:

- N/A

crates/project/src/debugger/dap_store.rs

@@ -471,7 +471,6 @@ impl DapStore {
             initialize_args: config.initialize_args.clone(),
             tcp_connection: config.tcp_connection.clone(),
             locator: None,
-            args: Default::default(),
             stop_on_entry: config.stop_on_entry,
         };