Fix URL preview thumbnail GIFs not being animated

TODO.md

@@ -1,5 +1,7 @@
 # TODO
 
+- Fix right margin of own `<image url>\n<image url>` messages
+
 - handle invalid access token
 - If an account is gone from the user's config, discard UI state last page
 - filter > enter > room list is always scrolled to top

src/gui/Pages/Chat/Timeline/EventImage.qml

@@ -64,7 +64,7 @@ HMxcImage {
 
     clientUserId: chat.userId
     title: thumbnail ? loader.thumbnailTitle : loader.title
-    animated: eventList.isAnimated(loader.singleMediaInfo)
+    animated: eventList.isAnimated(loader.singleMediaInfo, loader.mediaUrl)
     thumbnail: ! animated && loader.thumbnailMxc
     mxc: thumbnail ?
          (loader.thumbnailMxc || loader.mediaUrl) :

src/gui/Pages/Chat/Timeline/EventList.qml

@@ -395,10 +395,13 @@ Rectangle {
             )
         }
 
-        function isAnimated(event) {
+        function isAnimated(event, forLink="") {
+            const link = forLink || event.media_url
+            print(forLink, "-", link)
+
             return (
                 event.media_mime === "image/gif" ||
-                utils.urlExtension(event.media_url).toLowerCase() === "gif"
+                utils.urlExtension(link).toLowerCase() === "gif"
             )
         }
 
@@ -425,7 +428,7 @@ Rectangle {
 
             // The thumbnail/cached path will be the full GIF
             const fullMxc =
-                forLink || (isAnimated(event) ? "" : event.media_url)
+                forLink || (isAnimated(event, forLink) ? "" : event.media_url)
 
             window.makePopup(
                 "Popups/ImageViewerPopup/ImageViewerPopup.qml",