fix: Incorrect batch status Throughput entry

[jiuker]

Community Contribution License

All community contributions in this pull request are licensed to the project maintainers under the terms of the [Apache 2 license] (https://www.apache.org/licenses/LICENSE-2.0). By creating this pull request I represent that I have the right to license the contributions to the project maintainers under the Apache 2 license.

Description

    start, _ := time.Parse(time.RFC3339Nano, "2023-11-12T17:58:58.001226911Z")

    end, _ := time.Parse(time.RFC3339Nano, "2023-11-13T08:52:39.490707688Z")

    accElapsedTime := end.Sub(start)

    BytesTransferred := int64(40891298634197)

    bytesTransferredPerSec := float64(int64(time.Second)*BytesTransferred) / float64(accElapsedTime)
        // check if overflow int64
    fmt.Println(BytesTransferred)
       // show the result
    fmt.Println(bytesTransferredPerSec)
      // show the pr's result
    bytesTransferredPerSec = float64(BytesTransferred) / float64(accElapsedTime) * float64(time.Second)
    fmt.Println(bytesTransferredPerSec)
    fmt.Println(float64(BytesTransferred) / accElapsedTime.Seconds())

40891298634197
-95726.12150052408
7.625916219439652e+08
7.625916219439652e+08

Motivation and Context

How to test this PR?

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue) https://github.com/minio/mc/issues/4756
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Optimization (provides speedup with no functional changes)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] Fixes a regression (If yes, please add commit-id or PR # here)
• [ ] Unit tests added/updated
• [ ] Internal documentation updated
• [ ] Create a documentation update request here

[jiuker]

    start, _ := time.Parse(time.RFC3339Nano, "2023-11-12T17:58:58.001226911Z")
    end, _ := time.Parse(time.RFC3339Nano, "2023-11-13T08:52:39.490707688Z")
    accElapsedTime := end.Sub(start)
    BytesTransferred := int64(40891298634197)

    bytesTransferredPerSec :=float64(BytesTransferred) / accElapsedTime.Seconds()
    fmt.Println(bytesTransferredPerSec)
    fmt.Println(humanize.IBytes(uint64(bytesTransferredPerSec)))
    return

7.625916219439652e+08
727 MiB

@harshavardhana