Merge pull request #3074 from emanuelschuetze/fixes2

Hide empty placeholder of ui-tree in sort templates.

openslides/agenda/static/templates/agenda/item-sort.html

@@ -23,7 +23,7 @@
     {{ alert.msg }}
   </div>
 
-  <div ui-tree="treeOptions" id="tree-root">
+  <div ui-tree="treeOptions" id="tree-root" data-empty-placeholder-enabled="false">
     <ol ui-tree-nodes ng-model="items">
       <li ng-repeat="item in items" ui-tree-node ng-include="'nodes_renderer.html'">
     </ol>

openslides/agenda/static/templates/agenda/list-of-speakers-partial-management.html

@@ -81,7 +81,7 @@
 
   <!-- Next speakers -->
   <div ng-show="nextSpeakers.length > 0">
-    <div ui-tree="treeOptions">
+    <div ui-tree="treeOptions" data-empty-placeholder-enabled="false">
       <ol ui-tree-nodes="" ng-model="speakers">
         <li ng-repeat="speaker in nextSpeakers | orderBy:'weight'" ui-tree-node>
           <i os-perms="agenda.can_manage" ui-tree-handle="" class="fa fa-arrows-v"></i>

openslides/assignments/static/templates/assignments/assignment-detail.html

@@ -82,7 +82,8 @@
 
   <div ng-if="assignment.phase != 2">
     <h3 translate>Candidates</h3>
-    <div ui-tree="treeOptions" ng-if="assignment.assignment_related_users.length">
+    <div ui-tree="treeOptions" ng-if="assignment.assignment_related_users.length"
+        data-empty-placeholder-enabled="false">
       <ol ui-tree-nodes="" ng-model="relatedUsersSorted">
         <li ui-tree-node ng-repeat="related_user in assignment.assignment_related_users | orderBy:'weight'">
           <i ui-tree-handle="" class="fa fa-arrows-v spacer-right" os-perms="assignments.can_manage"></i>