debugger: Fix panic when handling invalid RunInTerminal request (#32500)

The new dap-types version has a default to cwd for the
RunInTerminalRequest

Closes #31695

Release Notes:

- debugger beta: Fix panic that occurred when a debug adapter sent an
invalid `RunInTerminal` request

Cargo.lock

@@ -4050,7 +4050,7 @@ dependencies = [
 [[package]]
 name = "dap-types"
 version = "0.0.1"
-source = "git+https://github.com/zed-industries/dap-types?rev=68516de327fa1be15214133a0a2e52a12982ce75#68516de327fa1be15214133a0a2e52a12982ce75"
+source = "git+https://github.com/zed-industries/dap-types?rev=cef124a5109d6fd44a3f986882d78ce40b8d4fb5#cef124a5109d6fd44a3f986882d78ce40b8d4fb5"
 dependencies = [
  "schemars",
  "serde",

Cargo.toml

@@ -435,7 +435,7 @@ core-foundation-sys = "0.8.6"
 core-video = { version = "0.4.3", features = ["metal"] }
 criterion = { version = "0.5", features = ["html_reports"] }
 ctor = "0.4.0"
-dap-types = { git = "https://github.com/zed-industries/dap-types", rev = "68516de327fa1be15214133a0a2e52a12982ce75" }
+dap-types = { git = "https://github.com/zed-industries/dap-types", rev = "cef124a5109d6fd44a3f986882d78ce40b8d4fb5" }
 dashmap = "6.0"
 derive_more = "0.99.17"
 dirs = "4.0"

crates/project/src/debugger/session.rs

@@ -1008,10 +1008,41 @@ impl Session {
         request: dap::messages::Request,
         cx: &mut Context<Self>,
     ) -> Task<Result<()>> {
-        let request_args = serde_json::from_value::<RunInTerminalRequestArguments>(
+        let request_args = match serde_json::from_value::<RunInTerminalRequestArguments>(
             request.arguments.unwrap_or_default(),
-        )
-        .expect("To parse StartDebuggingRequestArguments");
+        ) {
+            Ok(args) => args,
+            Err(error) => {
+                return cx.spawn(async move |session, cx| {
+                    let error = serde_json::to_value(dap::ErrorResponse {
+                        error: Some(dap::Message {
+                            id: request.seq,
+                            format: error.to_string(),
+                            variables: None,
+                            send_telemetry: None,
+                            show_user: None,
+                            url: None,
+                            url_label: None,
+                        }),
+                    })
+                    .ok();
+
+                    session
+                        .update(cx, |this, cx| {
+                            this.respond_to_client(
+                                request.seq,
+                                false,
+                                StartDebugging::COMMAND.to_string(),
+                                error,
+                                cx,
+                            )
+                        })?
+                        .await?;
+
+                    Err(anyhow!("Failed to parse RunInTerminalRequestArguments"))
+                });
+            }
+        };
 
         let seq = request.seq;