message: EventIndexPanel: Reword the crawler state if no room is being crawled.
diff: @@ -125,7 +125,7 @@ export default class EventIndexPanel extends React.Component {
  if (!this.state.eventIndexingEnabled) {
  crawlerState = <div>{_t("Message search for encrypted rooms is disabled.")}</div>;
  } else if (this.state.currentRoom === null) {
  - crawlerState = <div>{_t("Not currently downloading messages for any room.")}</div>;
  + crawlerState = <div>{_t("Not downloading messages for any room.")}</div>;
  } else {
  crawlerState = (
  <div>{_t(
  