Added option to disable metrics collection and defaulted it to off

Jellyfin.Server/Migrations/Routines/DisableMetricsCollection.cs

@@ -0,0 +1,33 @@
+using System;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Model.Configuration;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Server.Migrations.Routines
+{
+    /// <summary>
+    /// Disable metrics collections for all installations since it can be a security risk if not properly secured.
+    /// </summary>
+    internal class DisableMetricsCollection : IMigrationRoutine
+    {
+        /// <inheritdoc/>
+        public Guid Id => Guid.Parse("{4124C2CD-E939-4FFB-9BE9-9B311C413638}");
+
+        /// <inheritdoc/>
+        public string Name => "DisableMetricsCollection";
+
+        /// <inheritdoc/>
+        public void Perform(CoreAppHost host, ILogger logger)
+        {
+            // Set EnableMetrics to false since it can leak sensitive information if not properly secured
+            var metrics = host.ServerConfigurationManager.Configuration.EnableMetrics;
+            if (metrics)
+            {
+                logger.LogInformation("Disabling metrics collection during migration");
+                metrics = false;
+
+                host.ServerConfigurationManager.SaveConfiguration("false", metrics);
+            }
+        }
+    }
+}