message: Fix misaligned checkmark sidebar icon on non-Linux
diff: @@ -281,7 +281,7 @@ public:
  top->Add(right, wxSizerFlags(1).Expand().PXBorder(wxLEFT));
  right->Add(m_text, wxSizerFlags().Expand().Border(wxTOP, PX(4)));
  auto infoSizer = new wxBoxSizer(wxHORIZONTAL);
  - infoSizer->Add(m_info);
  + infoSizer->Add(m_info, wxSizerFlags().Center());
  if (m_isPerfect)
  infoSizer->Add(m_isPerfect, wxSizerFlags().Center().Border(wxLEFT, PX(2)));
  right->Add(infoSizer, wxSizerFlags().Expand().Border(wxTOP|wxBOTTOM, PX(2)));
  