[Calendar] Localization: Week and quarter abbreviations do not change language in calendar buttons

Describe the bug Abbreviations for weeks and quarters in buttons (for example, "W47" and "Q4") are shown in English for every view.

To Reproduce Steps to reproduce the behavior: Open any planner view

Expected behavior In Spanish, the format for the above examples should be "S47" and "4T" respectively.

Screenshots

Device details:

• Device: Note Air 2 Plus
• OS: 3.3.1
• Version: All (using 1.5.9-00)

Additional context Not a big issue, but these buttons should be localized for consistency with Spanish terms "semana" and "trimestre".