Use FileShare.Read to fix HdHomeRun

Emby.Server.Implementations/LiveTv/TunerHosts/HdHomerun/HdHomerunUdpStream.cs

@@ -193,8 +193,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts.HdHomerun
         {
             var resolved = false;
 
-            // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
-            using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None))
+            using (var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read))
             {
                 while (true)
                 {

Emby.Server.Implementations/LiveTv/TunerHosts/SharedHttpStream.cs

@@ -136,8 +136,7 @@ namespace Emby.Server.Implementations.LiveTv.TunerHosts
                     Logger.LogInformation("Beginning {0} stream to {1}", GetType().Name, TempFilePath);
                     using var message = response;
                     await using var stream = await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false);
-                    // use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
-                    await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.None);
+                    await using var fileStream = new FileStream(TempFilePath, FileMode.Create, FileAccess.Write, FileShare.Read);
                     await StreamHelper.CopyToAsync(
                         stream,
                         fileStream,