message: Fix js-sdk import in SlashCommands
  This is important because the `matrix-js-sdk` types are mismatched in some builds of Element
diff: @@ -20,7 +20,7 @@ limitations under the License.
  import * as React from 'react';
  -import { ContentHelpers } from 'matrix-js-sdk';
  +import { ContentHelpers } from 'matrix-js-sdk/src/content-helpers';
  import {MatrixClientPeg} from './MatrixClientPeg';
  import dis from './dispatcher/dispatcher';
  import * as sdk from './index';
  