Some minor changes

Author: michelebastione

src/MiniExcel.Core/WriteAdapters/MappingCellStreamAdapter.cs

@@ -2,17 +2,12 @@
 
 namespace MiniExcelLib.Core.WriteAdapters;
 
-internal class MappingCellStreamAdapter<T> : IMiniExcelWriteAdapter
+internal class MappingCellStreamAdapter<T>(MappingCellStream<T> cellStream, string[] columnLetters)
+    : IMiniExcelWriteAdapter
     where T : class
 {
-    private readonly MappingCellStream<T> _cellStream;
-    private readonly string[] _columnLetters;
-
-    public MappingCellStreamAdapter(MappingCellStream<T> cellStream, string[] columnLetters)
-    {
-        _cellStream = cellStream;
-        _columnLetters = columnLetters;
-    }
+    private readonly MappingCellStream<T> _cellStream = cellStream;
+    private readonly string[] _columnLetters = columnLetters;
 
     public bool TryGetKnownCount(out int count)
     {

tests/MiniExcel.Core.Tests/FluentMapping/MiniExcelMappingTests.cs

@@ -787,8 +787,8 @@ public async Task Mapping_WithComplexCellAddresses_ShouldMapCorrectly()
             // Read back and verify
             stream.Position = 0;
             var importer = MiniExcel.Importers.GetOpenXmlImporter();
-            var data = importer.Query(stream);
-            var firstRow = data.FirstOrDefault();
+            var data = importer.QueryAsync(stream);
+            var firstRow = await data.FirstOrDefaultAsync();
             Assert.NotNull(firstRow);
         }
 

tests/MiniExcel.Core.Tests/MiniExcelAutoAdjustWidthTests.cs

@@ -69,7 +69,7 @@ public async Task AutoAdjustWidthDataReader_Async()
         {
             await using var command = new SQLiteCommand(Db.GenerateDummyQuery(AutoAdjustTestParameters.GetDictionaryTestData()), connection);
             connection.Open();
-            await using var reader = command.ExecuteReader();
+            await using var reader = await command.ExecuteReaderAsync();
             await _excelExporter.ExportAsync(path, reader, configuration: configuration);
         }