Clears the Pyodide package cache for BOTH native and webview notebooks.
Native notebooks: Deletes ~/.cache/datalayer-pyodide/ (packages) AND globalStorage/pyodide/ (old core files)
Webview notebooks: Reloads webviews to clear IndexedDB cache
This removes all downloaded Python packages and old Pyodide core files, forcing them to be re-downloaded on next use.
Parameters
context: ExtensionContext
Extension context for accessing global state and storage paths.
Clears the Pyodide package cache for BOTH native and webview notebooks.