downgrade ws-thredds version, add workspace-tree-widget component

open/gcube-5.1.0.yaml

@@ -8,7 +8,7 @@ gCube_release:
        - name: ckan2zenodo-library
          version: 1.0.0
        - name: ws-thredds
-         version: 1.0.0  
+         version: 0.2.4  
          
      PortalLibraries:
        - name: ws-synchronized-module-library
@@ -18,7 +18,7 @@ gCube_release:
      
      Plugins:
        - name: sis-geotk-plugin
-         version: 1.2.0   
+         version: 1.3.0   
             
      Widgets:
        - name: ckan2zenodo-publisher-widget
@@ -26,6 +26,10 @@ gCube_release:
        - name: ws-thredds-sync-widget
          version: 1.3.0 
          
+     WidgetsII:
+       - name: workspace-tree-widget
+         version: 6.31.3   
+             
      Services:
        - name: gcat
          version: 1.4.5