message: Hide inline images when preference disabled
  As a first attempt, this drops inline images (as if they were not present at
  all) when the "show images" preference is disabled. Future work might expose
  some UI to reveal them like standalone image events have.
  Fixes
diff: @@ -29,6 +29,7 @@ import EMOJIBASE_REGEX from 'emojibase-regex';
  import url from 'url';
  import {MatrixClientPeg} from './MatrixClientPeg';
  +import SettingsStore from './settings/SettingsStore';
  import {tryTransformPermalinkToLocalHref} from "./utils/permalinks/Permalinks";
  import {SHORTCODE_TO_EMOJI, getEmojiFromUnicode} from "./emoji";
  import ReplyThread from "./components/views/elements/ReplyThread";
  @@ -171,7 +172,7 @@ const transformTags: IExtendedSanitizeOptions["transformTags"] = { // custom to
  // Strip out imgs that aren't `mxc` here instead of using allowedSchemesByTag
  // because transformTags is used _before_ we filter by allowedSchemesByTag and
  // we don't want to allow images with `https?` `src`s.
  - if (!attribs.src || !attribs.src.startsWith('mxc://')) {
  + if (!attribs.src || !attribs.src.startsWith('mxc://') || !SettingsStore.getValue("showImages")) {
  return { tagName, attribs: {}};
  }
  attribs.src = MatrixClientPeg.get().mxcUrlToHttp(
  