fix(central-ui): notification deep link and relay use the stored N-form NotificationId

Notify.Send mints NotificationId as Guid "N" (no dashes) and the outbox parses it back into
the audit row's CorrelationId, so the Flow Debugger's Notify node linked and relayed a "D"
string the Notifications table never matches (found live: the report opened empty). The
link and RetryNotificationRequest now use "N", and the Notification report normalises any
Guid-shaped ?correlationId= to "N" so Audit Log and Flow Debugger callers both land.

Claude-Session: https://claude.ai/code/session_01NcMG6xXdsJbmD2wYAgkK29

src/ZB.MOM.WW.ScadaBridge.CentralUI/Services/FlowDebugService.cs

@@ -225,7 +225,9 @@ public sealed class FlowDebugService : IFlowDebugService
 
             if (isNotify)
             {
-                var notificationId = c.ToString("D");
+                // Notify.Send mints NotificationId as Guid "N" (no dashes; ScriptRuntimeContext) and the
+                // outbox parses it back into the audit row's CorrelationId — so the relay key is "N".
+                var notificationId = c.ToString("N");
                 if (retry)
                 {
                     var r = await _comms.RetryNotificationAsync(new RetryNotificationRequest(corr, notificationId, requestedBy), ct);