[Bug] stack barchart is wrong when barGapInGroup is not null

[xile611]

Version

1.13.3

Link to Minimal Reproduction

no

Steps to Reproduce

{
      type: "bar",
      data: [
        {
          id: "barData",
          values: [
            {
              publish_month: "202410",
              show_ucnt_result: 267167271,
              type: "未知",
            },
            {
              publish_month: "202410",
              show_ucnt_result: 1050181,
              type: "平台高频老客",
            },
            {
              publish_month: "202410",
              show_ucnt_result: 148579156,
              type: "平台新客",
            },
            {
              publish_month: "202410",
              show_ucnt_result: 37527589,
              type: "平台低频老客",
            },
            {
              publish_month: "202410",
              show_ucnt_result: 146436969,
              type: "平台流失",
            },
            {
              publish_month: "202411",
              show_ucnt_result: 143805687,
              type: "平台流失",
            },
            {
              publish_month: "202411",
              show_ucnt_result: 44703963,
              type: "平台低频老客",
            },
            {
              publish_month: "202411",
              show_ucnt_result: 1538904,
              type: "平台高频老客",
            },
            {
              publish_month: "202411",
              show_ucnt_result: 156469177,
              type: "平台新客",
            },
            {
              publish_month: "202411",
              show_ucnt_result: 269379799,
              type: "未知",
            },
            {
              publish_month: "202412",
              show_ucnt_result: 115606542,
              type: "平台流失",
            },
            {
              publish_month: "202412",
              show_ucnt_result: 231984558,
              type: "未知",
            },
            {
              publish_month: "202412",
              show_ucnt_result: 1245055,
              type: "平台高频老客",
            },
            {
              publish_month: "202412",
              show_ucnt_result: 40347784,
              type: "平台低频老客",
            },
            {
              publish_month: "202412",
              show_ucnt_result: 5093523,
              type: "平台中频老客",
            },
            {
              publish_month: "202412",
              show_ucnt_result: 112105124,
              type: "平台新客",
            },
            {
              publish_month: "20251",
              show_ucnt_result: 171380706,
              type: "未知",
            },
            {
              publish_month: "20251",
              show_ucnt_result: 26210404,
              type: "平台低频老客",
            },
            {
              publish_month: "20251",
              show_ucnt_result: 797491,
              type: "平台高频老客",
            },
            {
              publish_month: "20251",
              show_ucnt_result: 70186273,
              type: "平台新客",
            },
            {
              publish_month: "20251",
              show_ucnt_result: 3300649,
              type: "平台中频老客",
            },
            {
              publish_month: "20251",
              show_ucnt_result: 77658533,
              type: "平台流失",
            },
          ],
        },
      ],
      xField: ["publish_month"],
      yField: ["show_ucnt_result"],
      seriesField: "type",
      barMinHeight: 5,
      barGapInGroup: 4,
      stack: true,
    }

Current Behavior

Expected Behavior

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response