[APP-2533] Add renewal banner for Ally

[rami-elementor]

Related: #531

Replace custom MS_IN_ONE_DAY with WordPress DAY_IN_SECONDS constant.

✨ PR Description

Purpose: Fix timestamp unit inconsistency in renewal notice dismissal logic by converting from milliseconds to seconds-based tracking.

Main changes:

• Removed MS_IN_ONE_DAY constant and replaced millisecond calculations with WordPress DAY_IN_SECONDS constant
• Updated dismiss_per_user() to store Unix timestamp in seconds instead of milliseconds
• Modified is_dismissed_for_today() comparison logic to use seconds-based time calculation for consistency

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