Release 2026w3

Profit & Loss report performance optimisation plus fixes for directory, billing, reporting, and UK VAT.

• +AddedReporting (MK2-7106): Profit & Loss Report — performance review and optimisation.
• ✓FixedDirectory: Matter involvement badge restoration and contact payment method retention.
• ✓FixedBilling: Preferred billing address application in invoice drafting.
• ✓FixedReporting: Dormant Client Report label correction and Eve invoice matter reference fix.
• ✓FixedTax (UK): VAT return confirmation popup display restored.