fix: manual install backend (janhq#8062)

The decompress Tauri command validated both the archive path and the
output directory against the Jan data folder, preventing extraction of
archives located elsewhere. Only the output directory needs that
restriction; the input path is read-only.

Author: qnixsynapse

src-tauri/src/core/filesystem/commands.rs

@@ -180,7 +180,7 @@ pub fn decompress<R: Runtime>(
     path: &str,
     output_dir: &str,
 ) -> Result<(), String> {
-    let (_jan_data_folder, path_buf) = resolve_app_path_within_jan_data_folder(app.clone(), path)?;
+    let path_buf = std::path::PathBuf::from(path);
     let (_jan_data_folder, output_dir_buf) =
         resolve_app_path_within_jan_data_folder(app, output_dir)?;