message: Also fix accessibility of sticker buttons
diff: @@ -151,8 +151,8 @@ export default class Stickerpicker extends React.Component {
  <AccessibleButton onClick={this._launchManageIntegrations}
  className='mx_Stickers_contentPlaceholder'>
  <p>{ _t("You don't currently have any stickerpacks enabled") }</p>
  - <p className='mx_Stickers_addLink'>Add some now</p>
  - <img src='img/stickerpack-placeholder.png' alt={_t('Add a stickerpack')} />
  + <p className='mx_Stickers_addLink'>{ _t("Add some now") }</p>
  + <img src='img/stickerpack-placeholder.png' alt="" />
  </AccessibleButton>
  );
  }
  @@ -344,7 +344,7 @@ export default class Stickerpicker extends React.Component {
  if (this.state.showStickers) {
  // Show hide-stickers button
  stickersButton =
  - <div
  + <AccessibleButton
  id='stickersButton'
  key="controls_hide_stickers"
  className="mx_MessageComposer_stickers mx_Stickers_hideStickers"
  @@ -352,18 +352,18 @@ export default class Stickerpicker extends React.Component {
  ref='target'
  title={_t("Hide Stickers")}>
  <TintableSvg src="img/icons-hide-stickers.svg" width="35" height="35" />
  - </div>;
  + </AccessibleButton>;
  } else {
  // Show show-stickers button
  stickersButton =
  - <div
  + <AccessibleButton
  id='stickersButton'
  - key="constrols_show_stickers"
  + key="controls_show_stickers"
  className="mx_MessageComposer_stickers"
  onClick={this._onShowStickersClick}
  title={_t("Show Stickers")}>
  <TintableSvg src="img/icons-show-stickers.svg" width="35" height="35" />
  - </div>;
  + </AccessibleButton>;
  }
  return <div>
  {stickersButton}
  