Backpack v4 support - Update HandlesAjaxRequest.php

[ibpavlov]

Support v4 of Backpack

Description

Method for crud actions are changed

Motivation and context

Support v4 of Backpack. Method not found problem with v4

How has this been tested?

Tested on live website. Manual testing

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

Go over all the following points, and put an x in all the boxes that apply.

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• I have read the CONTRIBUTING document.
• My pull request addresses exactly one patch/feature.
• I have created a branch for this patch/feature.
• Each individual commit in the pull request is meaningful.
• I have added tests to cover my changes.
• If my change requires a change to the documentation, I have updated it accordingly.

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[tswonke]

Hi,

thank you for contributing to this package. Sorry for the delay, we don't maintain this anymore.
I thought that I read about Backpack providing a similar field to this one. Is that right?

Is it still helpful to update this package for v4?