Filter out redacted poll votes to avoid crashing the Poll widget (#28498)

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/messages/MPollBody.tsx

@@ -383,7 +383,10 @@ function userResponseFromPollResponseEvent(event: MatrixEvent): UserVote {
 
 export function allVotes(voteRelations: Relations): Array<UserVote> {
     if (voteRelations) {
-        return voteRelations.getRelations().map(userResponseFromPollResponseEvent);
+        return voteRelations
+            .getRelations()
+            .filter((e) => !e.isRedacted())
+            .map(userResponseFromPollResponseEvent);
     } else {
         return [];
     }