[master] PlaylistEditor file load crash fix, new WebGUI version

Signed-off-by: Tamas Levente Kiss <tamas.levente.kiss@ericsson.com>
diff --git a/lib/WebGUI b/lib/WebGUI
index 27d4ebc..c4c2ba3 160000
--- a/lib/WebGUI
+++ b/lib/WebGUI
@@ -1 +1 @@
-Subproject commit 27d4ebc4f1ff6d4c2cf48f9fe8d8101d9fb97ea2
+Subproject commit c4c2ba3a6014c491ede3c4efb78489ec67553eec
diff --git a/src/Microservices/Playlist/WebApplication/Views/View_EditorContainer.js b/src/Microservices/Playlist/WebApplication/Views/View_EditorContainer.js
index 056b7dc..97ec8be 100644
--- a/src/Microservices/Playlist/WebApplication/Views/View_EditorContainer.js
+++ b/src/Microservices/Playlist/WebApplication/Views/View_EditorContainer.js
@@ -44,6 +44,7 @@
         for (var id in v_views) {
             v_views[id].destroy();
         }
+        v_views = {};
         var editorViewmodels = v_viewmodel.getEditorViewmodels();
         for (var id in editorViewmodels) {
             v_views[id] = new PlaylistEditor_PlaylistItem_View(id, editorViewmodels[id], v_this, v_helpTree);