fix(#3062): 修复计算固定列时未忽略隐藏列宽度问题

link #3062

src/BootstrapBlazor/Components/Table/Table.razor.Sort.cs

@@ -355,7 +355,11 @@ string GetFixedHeaderStyleString() => IsFixedHeader
         }
         while (index > start)
         {
-            width += Columns[start++].Width ?? defaultWidth;
+            var column = Columns[start++];
+            if (column.Visible)
+            {
+                width += column.Width ?? defaultWidth;
+            }
         }
         return $"left: {width}px;";
     }