Timeout in upload config

[didoda]

You can set "timeout" in upload configuration, if you want to customize it, default "30000" milliseconds.

Example:

// config/app_local.php
<?php

return [
    // ...
    'uploadTimeout' => 30000, // in milliseconds
    // ...
];

[Copilot]

Pull Request Overview

This PR adds configurable timeout support for upload operations. Users can now customize the upload timeout value through configuration instead of being limited to the hardcoded 30-second default.

• Added uploadTimeout configuration option with 30000ms default
• Updated upload configuration to include timeout value
• Modified axios timeout to use configurable timeout from upload config

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
src/View/Helper/SystemHelper.php	Added defaultUploadTimeout property and included timeout in uploadConfig method
tests/TestCase/View/Helper/SystemHelperTest.php	Updated test to verify timeout is included in upload configuration
resources/js/app/mixins/fetch.js	Modified axios timeout to use configurable upload timeout
config/app_local.example.php	Added example configuration for uploadTimeout

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