remove duplicate filter from search index (#1172)

CHANGELOG.md

@@ -16,6 +16,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - Content will still be normalized according to the Channel and FFmpeg Profile settings
   - Streaming from disk is preferred, so every playback attempt will first check the local file system
 - Update Intel Media Driver in vaapi docker image
+- Search queries no longer remove duplicate results as this was causing incorrect behavior
 
 ## [0.7.4-beta] - 2023-02-12
 ### Added

ErsatzTV.Infrastructure/Search/SearchIndex.cs

@@ -207,9 +207,10 @@ public sealed class SearchIndex : ISearchIndex
             : new CustomMultiFieldQueryParser(AppLuceneVersion, new[] { TitleField }, analyzerWrapper);
         parser.AllowLeadingWildcard = true;
         Query query = ParseQuery(searchQuery, parser);
-        var filter = new DuplicateFilter(TitleAndYearField);
+        // TODO: figure out if this is actually needed
+        // var filter = new DuplicateFilter(TitleAndYearField);
         var sort = new Sort(new SortField(SortTitleField, SortFieldType.STRING));
-        TopFieldDocs topDocs = searcher.Search(query, filter, hitsLimit, sort, true, true);
+        TopFieldDocs topDocs = searcher.Search(query, null, hitsLimit, sort, true, true);
         IEnumerable<ScoreDoc> selectedHits = topDocs.ScoreDocs.Skip(skip);
 
         if (limit > 0)
@@ -223,7 +224,7 @@ public sealed class SearchIndex : ISearchIndex
 
         if (limit > 0)
         {
-            searchResult.PageMap = GetSearchPageMap(searcher, query, filter, sort, limit);
+            searchResult.PageMap = GetSearchPageMap(searcher, query, null, sort, limit);
         }
 
         return searchResult;