fix tag added when cloning it for each participant

Signed-off-by: Karoline Saatkamp <karoline.saatkamp@iaas.uni-stuttgart.de>

org.eclipse.winery.repository.rest/src/main/java/org/eclipse/winery/repository/rest/resources/servicetemplates/ServiceTemplateResource.java

@@ -695,6 +695,7 @@ public List<Response> createParticipantsVersion() throws IOException {
 
             // create list of tags to add to service template
             TTags tTagList = new TTags();
+            tTagList.getTag().addAll(tags);
 
             // new tag to define participant of service template
             TTag participantTag = new TTag();