[BUG] AfterImport being called twice with ChunkReading

[dvmsk]

Prerequisites

• Checked if your Laravel Excel version is still supported: https://docs.laravel-excel.com/3.1/getting-started/support.html#supported-versions
• Able to reproduce the behaviour outside of your code, the problem is isolated to Laravel Excel.
• Checked that your issue isn't already filed.
• Checked if no PR was submitted that fixes this problem.
• Filled in the entire issue template

Versions

• PHP version: PHP 7.4.5
• Laravel version: 7.10.3
• Package version: 3.1.19

Description

AfterImport being triggered twice after every successful import with ChunkReading

Steps to Reproduce

<?php
class TestImport implements ToModel, WithProgressBar, WithEvents, WithHeadingRow, WithChunkReading
{
// ...
public function registerEvents(): array
    {
        return [
            AfterImport::class => function (AfterImport $event) {
                echo "\n==DONE==\n";
            },
        ];
    }
}

Expected behavior:
AfterImport event should be called once

Actual behavior:
AfterImport event fired twice.

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==DONE==

==DONE==
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#1944 (comment)
#1944 (comment)
#1944 (comment)
#1944 (comment)
#1944 (comment)
#1944 (comment)

Additional Information

[patrickbrouwers]

Can you create a failing test for this and if you find the root cause, feel free to PR a fix!

[patrickbrouwers]

Issue was that listeners got registered again on the AfterImportJob. This shouldn't happen if the job isn't queued. Fixed for next release.

[ATOADER1]

sheets() is called twice for me (excel 3.1.31/ PHP 7.4.3 / laravel 6 ) Could this be the same bug?