Cherry-pick fix for JS debug terminal scenario (#34101)

Manual cherry-pick of #33924 

Release Notes:

- Debugger: Fix RunInTerminal not working for JavaScript debugger.

---------

Co-authored-by: Remco Smits <djsmits12@gmail.com>

crates/assistant_tools/src/terminal_tool.rs

@@ -218,7 +218,7 @@ impl Tool for TerminalTool {
                     .update(cx, |project, cx| {
                         project.create_terminal(
                             TerminalKind::Task(task::SpawnInTerminal {
-                                command: program,
+                                command: Some(program),
                                 args,
                                 cwd,
                                 env,