[BUGFIX] Fix button display in mail queue

Resources/Private/Templates/Queue/Index.html

@@ -78,7 +78,7 @@
 										</f:if>
 									</td>
 									<td nowrap="nowrap" class="col-control">
-										<sgm:backend.control table="tx_sgmail_domain_model_mail" row="{mail}"/>
+										<f:format.raw><sgm:backend.control table="tx_sgmail_domain_model_mail" row="{mail}"/></f:format.raw>
 									</td>
 									<td>
 										<f:if condition="{mail.blacklisted}">