fix jellyfin artwork (#198)

ErsatzTV.Infrastructure/Migrations/20210522010528_Update_JellyfinArtworkPath.cs

@@ -0,0 +1,16 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace ErsatzTV.Infrastructure.Migrations
+{
+    public partial class Update_JellyfinArtworkPath : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder) =>
+            migrationBuilder.Sql(
+                @"UPDATE Artwork SET Path = REPLACE(Path, 'jellyfin:///Items', 'jellyfin://Items')
+                  WHERE Path LIKE 'jellyfin:///Items%'");
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+        }
+    }
+}