Replace concatenation with classappend

Signed-off-by: Graham <gpe@openrs2.org>

archive/src/main/resources/org/openrs2/archive/templates/caches/index.html

@@ -41,17 +41,17 @@
 								<span th:text="${#temporals.format(cache.timestamp, 'HH:mm:ss')}"></span>
 							</td>
 							<td th:text="${cache.name}"></td>
-							<td th:class="${cache.archiveStats}? (${cache.archiveStats.allIndexesValid}? 'table-success' : 'table-danger') + ' text-right'">
+							<td th:classappend="${cache.archiveStats}? (${cache.archiveStats.allIndexesValid}? 'table-success' : 'table-danger')" class="text-right">
 								<span th:text="${cache.archiveStats}? ${cache.archiveStats.validIndexes} + '&nbsp;/&nbsp;' + ${cache.archiveStats.indexes}"></span>
 								<br />
 								<span th:text="${cache.archiveStats}? '(' + ${#numbers.formatPercent(cache.archiveStats.validIndexesFraction, 1, 2)} + ')' : 'Calculating...'"></span>
 							</td>
-							<td th:class="${cache.groupStats}? (${cache.groupStats.allGroupsValid}? 'table-success' : 'table-warning') + ' text-right'">
+							<td th:classappend="${cache.groupStats}? (${cache.groupStats.allGroupsValid}? 'table-success' : 'table-warning')" class="text-right">
 								<span th:text="${cache.groupStats}? ${#numbers.formatInteger(cache.groupStats.validGroups, 1, 'COMMA')} + '&nbsp;/&nbsp;' + ${#numbers.formatInteger(cache.groupStats.groups, 1, 'COMMA')}"></span>
 								<br />
 								<span th:text="${cache.groupStats}? '(' + ${#numbers.formatPercent(cache.groupStats.validGroupsFraction, 1, 2)} + ')' : 'Calculating...'"></span>
 							</td>
-							<td th:class="${cache.groupStats}? (${cache.groupStats.allKeysValid}? 'table-success' : 'table-warning') + ' text-right'">
+							<td th:classappend="${cache.groupStats}? (${cache.groupStats.allKeysValid}? 'table-success' : 'table-warning')" class="text-right">
 								<span th:text="${cache.groupStats}? ${#numbers.formatInteger(cache.groupStats.validKeys, 1, 'COMMA')} + '&nbsp;/&nbsp;' + ${#numbers.formatInteger(cache.groupStats.keys, 1, 'COMMA')}"></span>
 								<br />
 								<span th:text="${cache.groupStats}? '(' + ${#numbers.formatPercent(cache.groupStats.validKeysFraction, 1, 2)} + ')' : 'Calculating...'"></span>