fix(shell): fix schema requiring sidecar property even though it is optional (#1839)

* fix(shell): fix schema requiring `sidecar` property even though it is optional

* fix clippy

* make `cmd` and `sidecar` exclusive

* make args optional

* cleanup

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

plugins/fs/src/scope.rs

@@ -13,10 +13,9 @@ use std::{
 
 use serde::Deserialize;
 
-#[doc(hidden)]
 #[derive(Deserialize)]
 #[serde(untagged)]
-pub enum EntryRaw {
+pub(crate) enum EntryRaw {
     Value(PathBuf),
     Object { path: PathBuf },
 }