The Month 13 date filter in accounting reports and Mexican closing reports now displays in a cleaner, easier-to-use way. This fixes a visual issue introduced by earlier date filter changes, helping users select the special reporting period more confidently.

The display for the Month 13 date filter was kind of ugly after the date filters refactoring. This makes it more useable and pretty to use.

The project holiday test setup now sets the expected timezone before running. This prevents test results from changing based on a user's local timezone, making quality checks more dependable without affecting business workflows.

This PR fixes a test that was relying on the user being in a certain timezone. This timezone is now set before the test.

Task-4038158