[19.0][MIG] project_timesheet_holidays_editable

[cgarcia-solvos]

Summary

Migrate project_timesheet_holidays_editable from 18.0 to 19.0.
The addon restores the editing of timesheets generated from Time Off requests

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Context and Rationale:

In Odoo 18, the core project_timesheet_holidays module allowed parameterizing the timesheet generation (project and task) at the Leave Type level (hr.leave.type).
However, in Odoo 19, the core module has undergone a refactor to enforce a multi-company design. The configuration used to generate timesheets has been moved to the Company level (res.company / exposed via res.config.settings).

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What changed in this migration

• Bumped __manifest__.py version to 19.0.1.0.0.
• Moved Configuration: The timesheet_edit_level setting has been moved from hr.leave.type to res.company and exposed in res.config.settings. It now acts as a global, per-company parameter just like the native timesheet project/task settings.
• Updated Logic: The account.analytic.line validation now reads the editability setting directly from the employee's company instead of the leave type.
• Tests Refactored and updated the test to inherit from BaseCommon as indicated in the migration guide.

[cgarcia-solvos]

@WesleyOliveira98 @CristianoMafraJunior could you review? Thanks!!