Attempt to load the theme when LibreOfficeKit is active.

Change-Id: Ie8640b7179a96cb40fb774ede097ca7b3640edd8
Reviewed-on: https://gerrit.libreoffice.org/72349
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>
(cherry picked from commit 7d55c2b8886ae00a60aa469503f596ee488c25c0)
Reviewed-on: https://gerrit.libreoffice.org/72353
Tested-by: Jenkins

vcl/headless/svpgdi.cxx

@@ -594,9 +594,10 @@ SvpSalGraphics::SvpSalGraphics()
     , m_ePaintMode(PaintMode::Over)
     , m_aTextRenderImpl(*this)
 {
-    if (!initWidgetDrawBackends())
+    bool bLOKActive = comphelper::LibreOfficeKit::isActive();
+    if (!initWidgetDrawBackends(bLOKActive))
     {
-        if (comphelper::LibreOfficeKit::isActive())
+        if (bLOKActive)
             m_pWidgetDraw.reset(new vcl::CustomWidgetDraw(*this));
     }
 }