Adding new fields to search index

Author: Matthew Harris

src/Azure.AISearch.WebApp/Services/AzureCognitiveSearchConfigurationService.cs

@@ -444,7 +444,7 @@ private SearchIndex GetChunksSearchIndex(string chunkIndexName, AppSettingsOverr
                 new SearchField(nameof(DocumentChunk.ContentVector), SearchFieldDataType.Collection(SearchFieldDataType.Single)) { IsFilterable = false, IsSortable = false, IsFacetable = false, IsSearchable = true, VectorSearchDimensions = this.settings.OpenAIEmbeddingVectorDimensions, VectorSearchProfile = Constants.ConfigurationNames.VectorSearchProfileNameDefault },
                 new SearchField(nameof(DocumentChunk.SourceDocumentId), SearchFieldDataType.String) { IsFilterable = true, IsSortable = true, IsFacetable = false, IsSearchable = false },
                 new SearchField(nameof(DocumentChunk.SourceDocumentTitle), SearchFieldDataType.String) { IsFilterable = true, IsSortable = true, IsFacetable = false, IsSearchable = true, AnalyzerName = LexicalAnalyzerName.EnMicrosoft },
-                new SearchField(nameof(DocumentChunk.SourceDocumentFilePath), SearchFieldDataType.String) { IsFilterable = false, IsSortable = false, IsFacetable = false, IsSearchable = false, AnalyzerName = LexicalAnalyzerName.StandardLucene },
+                new SearchField(nameof(DocumentChunk.SourceDocumentFilePath), SearchFieldDataType.String) { IsFilterable = false, IsSortable = false, IsFacetable = false, IsSearchable = true, AnalyzerName = LexicalAnalyzerName.StandardLucene },
                 // mjh
                 new SearchField(nameof(DocumentChunk.SourceDocumentDataSource), SearchFieldDataType.String) { IsFilterable = true, IsSortable = true, IsFacetable = true, IsSearchable = true, AnalyzerName = LexicalAnalyzerName.StandardLucene },
                 new SearchField(nameof(DocumentChunk.SourceDocumentSourceUrl), SearchFieldDataType.String) { IsFilterable = false, IsSortable = false, IsFacetable = false, IsSearchable = false, AnalyzerName = LexicalAnalyzerName.StandardLucene },