VCL Styles for NSIS - MessageBox_ reverts to standard window (un-themed)

[RRUZ]

Migrated from RRUZ/vcl-styles-utils#43

First and foremost Love your work you made the bland installer have abit of
life!

What steps will reproduce the problem?

!include "Sections.nsh"

;--------------------------------

Name "MessageBox"
OutFile "MessageBox.exe"
RequestExecutionLevel user

; Sections

Function .onInit

InitPluginsDir
File /oname=$PLUGINSDIR\Amakrits.vsf "C:\nsis\RubyGraphite.vsf"
NSISVCLStyles::LoadVCLStyle $PLUGINSDIR\Amakrits.vsf

FunctionEnd

Section !Required
MessageBox MB_OK "Hi there!"
SectionEnd

What is the expected output? What do you see instead?

Hopefully messagebox to be themed along with the rest of the installer

What version of the product are you using? On what operating system?
Current Version 1.0.0.9

Please provide any additional information below.
This extends to all messagebox variants not just messagebox_ok.
also if a fix is found can i please be notified to update my plugin!