languages: Fix python tasks failing when binary contains whitespaces (#37454)

Fixes https://github.com/zed-industries/zed/issues/33459

Release Notes:

- Fixed python tasks failing when the python binary path contains
whitespaces

crates/project/src/debugger/locators/python.rs

@@ -25,7 +25,7 @@ impl DapLocator for PythonLocator {
         if adapter.0.as_ref() != "Debugpy" {
             return None;
         }
-        let valid_program = build_config.command.starts_with("$ZED_")
+        let valid_program = build_config.command.starts_with("\"$ZED_")
             || Path::new(&build_config.command)
                 .file_name()
                 .is_some_and(|name| name.to_str().is_some_and(|path| path.starts_with("python")));
@@ -33,13 +33,7 @@ impl DapLocator for PythonLocator {
             // We cannot debug selections.
             return None;
         }
-        let command = if build_config.command
-            == VariableName::Custom("PYTHON_ACTIVE_ZED_TOOLCHAIN".into()).template_value()
-        {
-            VariableName::Custom("PYTHON_ACTIVE_ZED_TOOLCHAIN_RAW".into()).template_value()
-        } else {
-            build_config.command.clone()
-        };
+        let command = build_config.command.clone();
         let module_specifier_position = build_config
             .args
             .iter()
@@ -57,10 +51,8 @@ impl DapLocator for PythonLocator {
         let program_position = mod_name
             .is_none()
             .then(|| {
-                build_config
-                    .args
-                    .iter()
-                    .position(|arg| *arg == "\"$ZED_FILE\"")
+                let zed_file = VariableName::File.template_value_with_whitespace();
+                build_config.args.iter().position(|arg| *arg == zed_file)
             })
             .flatten();
         let args = if let Some(position) = program_position {