reworked coodle voting table appearance

public/js/components/Cis/Coodle/Components/CoodleSurvey/CoodleSurveyVotingTable.js

@@ -248,7 +248,7 @@ export default {
 				<div class="overflow-x-auto">
 					<table>
 						<tr>
-							<td class="border-1"></td>
+							<td class="border-1" rowspan="2"></td>
 							<td v-for="timeslot in $props.timeslots" class="border-1">
 								<div class="px-1 d-flex flex-column align-items-center">
 									<span>{{ timeslot.month.slice(0,3) }}</span>
@@ -256,21 +256,19 @@ export default {
 									<span>{{ timeslot.weekday.slice(0,3) }}</span>
 								</div>
 							</td>
-							<td class="border-1"></td>
+							<td class="border-1" rowspan="2">
+								<div class="px-2 py-1">
+									{{ "No appointment is possible" }}
+								</div>
+							</td>
 						</tr>
 						<tr>
-							<td class="border-1"></td>
 							<td v-for="timeslot in $props.timeslots" class="border-1">
 								<div class="px-2 d-flex flex-column align-items-start">
 									<span>{{ timeslot.startTime + " -" }}</span>
 									<span>{{ timeslot.endTime }}</span>
 								</div>
 							</td>
-							<td class="border-1">
-								<div class="px-2 py-1">
-									{{ "No appointment is possible" }}
-								</div>
-							</td>
 						</tr>
 						<tr v-for="participant in participantsWithoutAuthUser">
 							<td class="border-1 px-2 py-1">