This update cleans up and standardizes the Ecuadorian electronic invoicing process, including supporting setup files and document handling. It helps improve maintainability and reduces the chance of configuration or formatting issues in the EDI workflow.

- Fix libraries definition on manifest
- Run Flake8 and black on module l10n_ec_edi

This update adds clearer helper messages across Social Marketing and Marketing Automation menu pages. These messages guide users when pages are empty, making it easier to understand what to do next during onboarding.

PURPOSE

Make sure all SM menu items have a proper action helper message.

Specification:

Current:
There are not proper action helper for sm menus for proper onboarding.
To Be:
To add proper action helper message for better onboarding

Task Id: 2584073
PR: #74082