catch http exception and fix possible issues

Emby.Server.Implementations/Plugins/PluginManager.cs

@@ -384,6 +384,9 @@ namespace Emby.Server.Implementations.Plugins
                 imagePath = Path.Join(path, url.Segments[^1]);
 
                 await using var fileStream = File.OpenWrite(imagePath);
+
+                try
+                {
                     await using var downloadStream = await HttpClientFactory
                         .CreateClient(NamedClient.Default)
                         .GetStreamAsync(url)
@@ -391,6 +394,12 @@ namespace Emby.Server.Implementations.Plugins
 
                     await downloadStream.CopyToAsync(fileStream).ConfigureAwait(false);
                 }
+                catch (HttpRequestException ex)
+                {
+                    _logger.LogError(ex, "Failed to download image to path {Path} on disk.", imagePath);
+                    imagePath = string.Empty;
+                }
+            }
 
             var manifest = new PluginManifest
             {