Add support to mark videos as spoilers (#2255)

* Add support for MSC4193: Spoilers on Media

* Clarify variable names and wording

* Restore list atom

* Improve spoilered image UX with autoload off

* Use `aria-pressed` to indicate attachment spoiler state

* Improve spoiler button tooltip wording, keep reveal button from conflicting with load errors

* Make it possible to mark videos as spoilers

* Allow videos to be marked as spoilers when uploaded

* Apply requested changes

* Show a loading spinner on spoiled media when unblurred

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Co-authored-by: Ajay Bura <32841439+ajbura@users.noreply.github.com>

src/app/components/RenderMessageContent.tsx

@@ -209,13 +209,11 @@ export function RenderMessageContent({
         <MVideo
           content={getContent()}
           renderAsFile={renderFile}
-          renderVideoContent={({ body, info, mimeType, url, encInfo }) => (
+          renderVideoContent={({ body, info, ...props }) => (
             <VideoContent
               body={body}
               info={info}
-              mimeType={mimeType}
-              url={url}
-              encInfo={encInfo}
+              {...props}
               renderThumbnail={
                 mediaAutoLoad
                   ? () => (