チャンネルを作成しているとアカウントを削除できないのを修正 (#7653)

* チャンネルを作成しているとアカウントを削除できないのを修正

* CHANGELOG

* nullable

src/models/entities/channel.ts

@@ -23,9 +23,10 @@ export class Channel {
 	@Index()
 	@Column({
 		...id(),
+		nullable: true,
 		comment: 'The owner ID.'
 	})
-	public userId: User['id'];
+	public userId: User['id'] | null;
 
 	@ManyToOne(type => User, {
 		onDelete: 'SET NULL'

src/models/repositories/channel.ts

@@ -90,7 +90,7 @@ export const packedChannelSchema = {
 		},
 		userId: {
 			type: 'string' as const,
-			nullable: false as const, optional: false as const,
+			nullable: true as const, optional: false as const,
 			format: 'id',
 		},
 	},