Deprecation: #65381 - Deprecate DataHandler property "stripslashes_values"

See Issue #65381

Description

The DataHandler property stripslashes_values has been marked as deprecated.

Impact

A deprecation message is logged for every time DataHandler processes data if this property is set to TRUE.

Affected installations

All installations or extensions relying on the DataHandler property stripslashes_values.

Migration

Set the stripslashes_values property to FALSE and apply stripslashes() in the code that prepares the data if it was expected that DataHandler stripped the slashes from incoming data.