Fix #9016 - Due_date has wrong format in subpanel

[Maratagliullin]

Description

Due dates are not formatted correctly in the subpanels history and activity in the Opportunities module, I suppose this is a general problem is not related only to Opportunities but related aliases in fields.

Motivation and Context

Fixes #9016

How To Test This

go https://demo.suiteondemand.com/ latest version suitecrm 7.13.4
Open opportunities and create 3 Task with date due in activity subpanel.

Types of changes

• 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)

Final checklist

• My code follows the code style of this project found here.
• My change requires a change to the documentation.
• I have read the How to Contribute guidelines.

[SuiteBot]

All committers have signed the CLA.

[serhiisamko091184]

Hello @Maratagliullin ,

thank you very much for your contribution!

Regards,
Serhii

[JamesBrickell]

Hi, wouldn't the empty($fields[strtoupper($list_field['alias'])]) need to be changed as well to !empty($fields[strtoupper($list_field['alias'])])?