New: Add Custom Format fields to Discord On Grab notifications

(cherry picked from commit 3a9182b6a6a322a03666592f8e08d4afde11ee86)

Closes #3845
Closes #3874

src/NzbDrone.Core/Notifications/Discord/Discord.cs

@@ -101,6 +101,14 @@ namespace NzbDrone.Core.Notifications.Discord
                         discordField.Name = "Links";
                         discordField.Value = GetLinksString(artist);
                         break;
+                    case DiscordGrabFieldType.CustomFormats:
+                        discordField.Name = "Custom Formats";
+                        discordField.Value = string.Join("|", message.RemoteAlbum.CustomFormats);
+                        break;
+                    case DiscordGrabFieldType.CustomFormatScore:
+                        discordField.Name = "Custom Format Score";
+                        discordField.Value = message.RemoteAlbum.CustomFormatScore.ToString();
+                        break;
                     case DiscordGrabFieldType.Indexer:
                         discordField.Name = "Indexer";
                         discordField.Value = message.RemoteAlbum.Release.Indexer;

src/NzbDrone.Core/Notifications/Discord/DiscordFieldType.cs

@@ -12,7 +12,9 @@ namespace NzbDrone.Core.Notifications.Discord
         Release,
         Poster,
         Fanart,
-        Indexer
+        Indexer,
+        CustomFormats,
+        CustomFormatScore
     }
 
     public enum DiscordImportFieldType

src/NzbDrone.Core/Notifications/Discord/DiscordSettings.cs

@@ -19,8 +19,8 @@ namespace NzbDrone.Core.Notifications.Discord
         public DiscordSettings()
         {
             // Set Default Fields
-            GrabFields = new int[] { 0, 1, 2, 3, 5, 6, 7, 8, 9 };
-            ImportFields = new int[] { 0, 1, 2, 3, 5, 6, 7, 8, 9 };
+            GrabFields = new[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 };
+            ImportFields = new[] { 0, 1, 2, 3, 5, 6, 7, 8, 9 };
         }
 
         private static readonly DiscordSettingsValidator Validator = new DiscordSettingsValidator();