debugger: More tidy up for SSH (#28993)

Split `locator` out of DebugTaskDefinition to make it clearer when
location needs to happen.

Release Notes:

- N/A

---------

Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Anthony <anthony@zed.dev>
Co-authored-by: Cole Miller <m@cole-miller.net>

crates/project/src/debugger/session.rs

@@ -396,7 +396,7 @@ impl LocalMode {
     }
 
     fn request_initialization(&self, cx: &App) -> Task<Result<Capabilities>> {
-        let adapter_id = self.binary.adapter_name.to_string();
+        let adapter_id = self.definition.adapter.clone();
 
         self.request(Initialize { adapter_id }, cx.background_executor().clone())
     }