Fix series year lost during parsing

Emby.Naming/TV/SeriesInfo.cs

@@ -25,5 +25,11 @@ namespace Emby.Naming.TV
         /// </summary>
         /// <value>The name of the series.</value>
         public string? Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the year of the series.
+        /// </summary>
+        /// <value>The year of the series.</value>
+        public int? Year { get; set; }
     }
 }

Emby.Naming/TV/SeriesResolver.cs

@@ -21,7 +21,7 @@ namespace Emby.Naming.TV
         /// Regex that matches titles with year in parentheses. Captures the title (which may be
         /// numeric) before the year, i.e. turns "1923 (2022)" into "1923".
         /// </summary>
-        [GeneratedRegex(@"(?<title>.+?)\s*\(\d{4}\)")]
+        [GeneratedRegex(@"(?<title>.+?)\s*\((?<year>\d{4})\)")]
         private static partial Regex TitleWithYearRegex();
 
         /// <summary>
@@ -43,7 +43,8 @@ namespace Emby.Naming.TV
                     seriesName = titleWithYearMatch.Groups["title"].Value.Trim();
                     return new SeriesInfo(path)
                     {
-                        Name = seriesName
+                        Name = seriesName,
+                        Year = int.TryParse(titleWithYearMatch.Groups["year"].Value, out var year) ? year : null
                     };
                 }
             }

Emby.Server.Implementations/Library/Resolvers/TV/SeriesResolver.cs

@@ -69,7 +69,8 @@ namespace Emby.Server.Implementations.Library.Resolvers.TV
                         return new Series
                         {
                             Path = args.Path,
-                            Name = seriesInfo.Name
+                            Name = seriesInfo.Name,
+                            ProductionYear = seriesInfo.Year
                         };
                     }
                 }