修复数据类型属性不统一的问题

DMS.Application/DTOs/VariableDto.cs

@@ -27,7 +27,7 @@ public class VariableDto
     public double AlarmMaxValue { get; set; }
     public double AlarmDeadband { get; set; }
     public ProtocolType Protocol { get; set; }
-    public CSharpDataType CSharpDataType { get; set; }
+    public DataType DataType { get; set; }
     public string ConversionFormula { get; set; }
     public DateTime CreatedAt { get; set; }
     public DateTime UpdatedAt { get; set; }

DMS.Application/DTOs/VariableTableDto.cs

@@ -12,6 +12,7 @@ public class VariableTableDto
     public string Description { get; set; }
     public bool IsActive { get; set; }
     public int DeviceId { get; set; }
+    public DeviceDto Device { get; set; }
     public ProtocolType Protocol { get; set; }
     public List<VariableDto> Variables { get; set; } = new();
 }