Fix permission request (#2046)

Task/Issue URL: https://app.asana.com/0/0/1206319918056750/f
Tech Design URL:
CC:

**Description**:
Ask for notification permission before sending notifications. This is to
fix a bug where the notification permission would only be requested
after the first scan step.

The notification being sent right after the permission is requested
might not be sent, which is fine.

LocalPackages/DataBrokerProtection/Sources/DataBrokerProtection/UserNotifications/DataBrokerProtectionUserNotificationService.swift

@@ -57,11 +57,12 @@ public class DefaultDataBrokerProtectionUserNotificationService: NSObject, DataB
 
     public func requestNotificationPermission() {
         guard areNotificationsEnabled else { return }
-
-        userNotificationCenter.requestAuthorization(options: [.alert]) { _, _ in }
+        requestNotificationPermissionIfNecessary()
     }
 
     private func sendNotification(_ notification: UserNotification, afterDays days: Int? = nil) {
+        requestNotificationPermissionIfNecessary()
+
         let notificationContent = UNMutableNotificationContent()
         notificationContent.title = notification.title
         notificationContent.body = notification.message
@@ -96,6 +97,14 @@ public class DefaultDataBrokerProtectionUserNotificationService: NSObject, DataB
         }
     }
 
+    private func requestNotificationPermissionIfNecessary() {
+        userNotificationCenter.getNotificationSettings { [weak self] settings in
+            if settings.authorizationStatus == .notDetermined {
+                self?.userNotificationCenter.requestAuthorization(options: [.alert]) { _, _ in }
+            }
+        }
+    }
+
     public func sendFirstScanCompletedNotification() {
         guard areNotificationsEnabled else { return }