Show correct details when a poll is ended.

Previously, the "end poll" timeline item always showed the title
and options from the start event, regardless of whether any edits
had been made.

Now we show the latest edit, if available, falling back to the
original otherwise.

changelog.d/8471.bugfix

@@ -0,0 +1 @@
+The correct title and options are now displayed When a poll that was edited is ended.

vector/src/main/java/im/vector/app/features/home/room/detail/timeline/factory/MessageItemFactory.kt

@@ -286,7 +286,10 @@ class MessageItemFactory @Inject constructor(
         } else {
             null
         }
-        val pollContent = pollStartEvent?.root?.getClearContent()?.toModel<MessagePollContent>()
+
+        val editedContent = pollStartEvent?.annotations?.editSummary?.latestEdit?.getClearContent()?.toModel<MessagePollContent>()?.newContent
+        val latestContent = editedContent ?: pollStartEvent?.root?.getClearContent()
+        val pollContent = latestContent?.toModel<MessagePollContent>()
 
         return if (pollContent == null) {
             val title = stringProvider.getString(R.string.message_reply_to_ended_poll_preview).toEpoxyCharSequence()