fix(launchpad): Ensure mobile artifact's zip structures are preserved (#2585)

WIthout this, the code would remove the xcarchive wrapper directory,
which causes issues when trying to parse the artifact in launchpad

Author: NicoHinderling

src/commands/mobile_app/upload.rs

@@ -252,7 +252,9 @@ fn normalize_directory(path: &Path) -> Result<TempFile> {
         .filter(|entry| entry.path().is_file())
         .map(|entry| {
             let entry_path = entry.into_path();
-            let relative_path = entry_path.strip_prefix(path)?.to_owned();
+            let relative_path = entry_path.strip_prefix(
+                path.parent().ok_or_else(|| anyhow!("Cannot determine parent directory for path: {}", path.display()))?
+            )?.to_owned();
             Ok((entry_path, relative_path))
         })
         .collect::<Result<Vec<_>>>()?
@@ -401,3 +403,27 @@ fn poll_assemble(
 
     Ok(())
 }
+
+#[cfg(not(windows))]
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::fs;
+    use zip::ZipArchive;
+
+    #[test]
+    fn test_normalize_directory_preserves_top_level_directory_name() -> Result<()> {
+        let temp_dir = crate::utils::fs::TempDir::create()?;
+        let test_dir = temp_dir.path().join("MyApp.xcarchive");
+        fs::create_dir_all(test_dir.join("Products"))?;
+        fs::write(test_dir.join("Products").join("app.txt"), "test content")?;
+
+        let result_zip = normalize_directory(&test_dir)?;
+        let zip_file = fs::File::open(result_zip.path())?;
+        let mut archive = ZipArchive::new(zip_file)?;
+        let file = archive.by_index(0)?;
+        let file_path = file.name();
+        assert_eq!(file_path, "MyApp.xcarchive/Products/app.txt");
+        Ok(())
+    }
+}