fix: hide cancel/reschedule links in emails when disabled

[evertonresende]

Summary

Fixes #22906

When disableCancelling or disableRescheduling is enabled on an event type, confirmation emails still showed non-functional cancel/reschedule links. This was confusing for attendees who clicked links that led to error pages.

Root cause: The ManageLink email component already had correct conditional logic to hide these links based on calEvent.disableCancelling and calEvent.disableRescheduling. However, two code paths constructed the CalendarEvent object manually without including these flags:

1. Booking confirmation handler (confirm.handler.ts) — used when organizers confirm pending bookings
2. Payment booking flow (getBooking.ts) — used when bookings involve payments

Since the flags were undefined, !undefined === true, so ManageLink always rendered the links.

Changes

• Added disableCancelling and disableRescheduling to the Prisma select for eventType in both files
• Mapped these flags into the CalendarEvent object with ?? false fallback

Test plan

• Create an event type with "Disable Cancelling" enabled
• Create a booking that requires confirmation
• Confirm the booking and verify the confirmation email does NOT show the cancel link
• Create an event type with "Disable Rescheduling" enabled
• Repeat and verify the email does NOT show the reschedule link
• Create an event type with both disabled and verify neither link appears
• Create a paid event type with cancelling disabled and verify email after payment does NOT show cancel link
• Verify normal bookings (without disable flags) still show both links

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[cubic-dev-ai]

No issues found across 2 files

[anikdhabal]

LGTM!!