Do not enable radio buttons of image flip on create

On the Image tab of the Image Properties dialog,
The radio buttons under the horizontal flip option
should come disabled when that option is not checked.

Wrong order of "Enable" calls was causing them to be
enabled on create, all the time.

Change-Id: Ie361a8280e2a303d38025c5c684f5c07ba2e1ef9
Reviewed-on: https://gerrit.libreoffice.org/31619Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Muhammet Kara <muhammet.kara@pardus.org.tr>

sw/source/ui/frmdlg/frmpage.cxx

@@ -2506,10 +2506,10 @@ void SwGrfExtPage::ActivatePage(const SfxItemSet& rSet)
             m_pBmpWin->SetGraphic( *pGrf );
     }
 
+    m_pMirror->Enable(bEnable);
     m_pAllPagesRB->Enable(bEnableMirrorRB);
     m_pLeftPagesRB->Enable(bEnableMirrorRB);
     m_pRightPagesRB->Enable(bEnableMirrorRB);
-    m_pMirror->Enable(bEnable);
 
     m_pAllPagesRB->SaveValue();
     m_pLeftPagesRB->SaveValue();