fix: fix error in cli kcl-language-server --version

Signed-off-by: he1pa <[email protected]>

kclvm/tools/src/LSP/src/main.rs

@@ -52,7 +52,7 @@ fn main() -> Result<(), anyhow::Error> {
                 Ok(())
             }
         },
-        Err(e) => Err(e.into()),
+        Err(e) => e.exit(),
     }
 }