This update reduces false alarms in inventory-related automated checks by allowing a tiny timing difference when comparing dates. It helps keep development and release validation stable without changing how users work with inventory.

The comparison of two datetimes is never exactly perfect. This commit adds
one second tolerance in those two tests to ensure any false positive result
is avoided

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:




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The stock demo data setup now starts inventory using the correct process. This prevents errors when the stock module is reinstalled with demo data, making setup and testing more reliable.

The demo data inventory didn't call the right method (`action_start` instead of `_action_start`), so, if user tried to re-install stock module, the `ensure_once` check will fail when reinstall the demo data.

Payslip reports now keep the correct amounts for work days instead of showing them as zero. The report also avoids repeating the work days name, making payroll documents clearer for employees and payroll teams.

IoT action requests now show a more accurate warning when an error occurs, including cases related to SSL issues. This helps users and support teams understand the problem faster instead of seeing only a generic connection failure message.

Before this commit when we make a action request and that the answer is an error
we only return a connection problem message.

Task: 1973942

This fix prevents errors when processing payments without an active payment line and ensures receipt content is placed in the correct section for printing. It helps reduce failed or incomplete ticket printing for point-of-sale users using IoT devices.

We check if a selected_paymentline is not undefined before retrieving the status

We replace the class name pos-sale-ticket by after-footer.
Because this class don't exist in XmlReceipt