On key up also update the submitted values

The on change is still needed, for mouse updates.
The on key up checks without focus lose.

client/src/app/site/pages/meetings/modules/poll/components/base-poll-vote/base-poll-vote.component.html

@@ -318,6 +318,7 @@ <h4 class="poll-delegation-title">
                                             [formControl]="getFormControl(option.id)"
                                             max="{{ poll.max_votes_per_option }}"
                                             (change)="saveMultipleVotes(option.id, $event, delegation)"
+                                            (keyup)="saveMultipleVotes(option.id, $event, delegation)"
                                         />
                                         <mat-error>
                                             {{ getErrorInVoteEntry(option.id) }}