Paymattic Pro v4.6.25

- Adds Stripe subscription card update support for the User Dashboard. - Adds Payment item field mapping and conditional support in integration feeds. - Adds Square webhook signature verification with per-mode signature keys. - Improves Failed recurring payment handling for Stripe subscription renewals. - Improves JSON export memory usage by streaming results instead of accumulating the full dataset. - Fixes User Dashboard access for permitted roles missing dashboard capabilities. - Fixes Stripe renewal webhooks not parsing the updated invoice schema. - Fixes Duplicate coupon AJAX requests when an Elementor popup reinitializes the form. - Fixes Phone field script error caused by the classic utils.js enqueue. - Fixes FluentCommunity integration endpoint accessible without authentication. - Fixes Webhook and Zapier feed mutations not scoped to the authorized form. - Fixes PayPal IPN bypass option removed; IPN always verified; debug log redacted to safe fields. - Fixes Subscription cancellation proceeding without ownership verification. - Fixes Predefined donation amounts enforced server-side when custom input is disabled. - Fixes Customer full name overwritten when form has multiple Full Name fields.