partial fix #4517 - fix for settings of plugin.xml

[Jimmi08]

Fixes #4517

fixing 'write' setting from plugin.xml

Description

fix key name and using correct function

Types of Changes

• [ x] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Performance enhancement (non-breaking change which improves efficiency)
• Code cleanup (non-breaking change which makes code smaller or more readable)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (a change to man pages or other documentation)

[CaMer0n]

Thank you @Jimmi08