message: disable spellCheck when the placeholder is shown because "unencrypted"
diff: @@ -1543,7 +1543,8 @@ export default class MessageComposerInput extends React.Component {
  onFocus={this.onFocus}
  renderNode={this.renderNode}
  renderMark={this.renderMark}
  - spellCheck={true}
  + // disable spell check for the placeholder because browsers don't like "unencrypted"
  + spellCheck={!this.state.editorState.document.isEmpty}
  />
  </div>
  </div>
  