message: special-case 'inline-code' button because mark is called 'code'
diff: @@ -334,7 +334,9 @@ export default class MessageComposer extends React.Component {
  if (this.state.showFormatting && this.state.inputState.isRichTextEnabled) {
  const {marks, blockType} = this.state.inputState;
  const formatButtons = formatButtonList.map((name) => {
  - const active = marks.some(mark => mark.type === name) || blockType === name;
  + // special-case to match the md serializer and the special-case in MessageComposerInput.js
  + const markName = name === 'inline-code' ? 'code' : name;
  + const active = marks.some(mark => mark.type === markName) || blockType === name;
  const suffix = active ? '-on' : '';
  const onFormatButtonClicked = this.onFormatButtonClicked.bind(this, name);
  const className = 'mx_MessageComposer_format_button mx_filterFlipColor';
  