💄 Update preservation nudge UI and messaging

Enhance the styling and content of the preservation nudge for better user engagement and clarity on photo preservation. 💄 Update QR code sharing heading style Refine the heading for QR code photo sharing by removing the dash for improved clarity. ✨ Introduce guest download URL in deletion emails Add a guest download link for photos in the deletion queued email templates and update photo fan transformations to support a spread parameter for better layout control. ✨ Add payment intent metadata for event actions Include event ID, user ID, type, and source in payment intent data for contributions, event preservations, guest downloads, and lifetime access actions. 💄 Update UI text and manage media links Refine download section headings and enhance email URLs for better user experience and clarity. 💄 Update styling for media preview section Remove color styling from the media preview text for a cleaner look.