Better data (BioRad)

EC / IFX
FromBody bug fix
Made ID optional and are get all files now

Server/ApiControllers/ExportController.cs

@@ -15,20 +15,28 @@ public class ExportController : Controller, IExportController<IActionResult>
     public ExportController(IExportRepository exportRepository) =>
         _ExportRepository = exportRepository;
 
-    private static HeaderCommon GetHeaderCommon(Stream stream)
+    private static string? GetJson(Stream stream)
     {
-        HeaderCommon? result;
+        string? result;
         if (!stream.CanRead)
-            result = new();
+            result = null;
         else
         {
             Task<string> task = new StreamReader(stream).ReadToEndAsync();
-            result = string.IsNullOrEmpty(task.Result) ? null : JsonSerializer.Deserialize<HeaderCommon>(task.Result);
-            result ??= new();
+            result = task.Result;
         }
         return result;
     }
 
+    private static HeaderCommon GetHeaderCommon(Stream stream)
+    {
+        HeaderCommon? result;
+        string? json = GetJson(stream);
+        result = string.IsNullOrEmpty(json) ? null : JsonSerializer.Deserialize<HeaderCommon>(json);
+        result ??= new();
+        return result;
+    }
+
     [HttpGet]
     [Route("export")]
     public IActionResult GetExport() =>