message: fix overflow docs in electron app
diff: @@ -32,5 +32,6 @@ const Column = styled<ColumnProps, 'div'>('div')`
  flex-flow: column;
  padding-bottom: 20px;
  border-right: 1px solid ${p => p.theme.colours.black10};
  - overflow: ${p => (p.overflow ? 'hidden scroll' : 'auto auto')};
  + overflow-x: ${p => (p.overflow ? 'hidden' : 'auto')}
  + overflow-y: ${p => (p.overflow ? 'scroll' : 'auto')}
  `
  