[Glitch] Add blurhash

Port front-end changes from fba96c808d to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>

app/javascript/flavours/glitch/features/ui/components/media_modal.js

@@ -123,6 +123,7 @@ export default class MediaModal extends ImmutablePureComponent {
         return (
           <Video
             preview={image.get('preview_url')}
+            blurhash={image.get('blurhash')}
             src={image.get('url')}
             width={image.get('width')}
             height={image.get('height')}

app/javascript/flavours/glitch/features/ui/components/video_modal.js

@@ -20,6 +20,7 @@ export default class VideoModal extends ImmutablePureComponent {
         <div>
           <Video
             preview={media.get('preview_url')}
+            blurhash={media.get('blurhash')}
             src={media.get('url')}
             startTime={time}
             onCloseVideo={onClose}