added css property to increase modal window at 700px

src/main/java/org/gcube/portlets/user/workspace/client/AppControllerExplorer.java

@@ -174,6 +174,7 @@ import com.github.gwtbootstrap.client.ui.Modal;
 import com.github.gwtbootstrap.client.ui.event.HideEvent;
 import com.github.gwtbootstrap.client.ui.event.HideHandler;
 import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Element;
 import com.google.gwt.event.shared.EventHandler;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.http.client.RequestBuilder;
@@ -311,7 +312,7 @@ public class AppControllerExplorer implements EventHandler, TreeAppControllerInt
 					modal.setTitle("Publish Item");
 					modal.addStyleName("insert-metadata-modal-style");
 					modal.addStyleName("modal-top-custom");
-					// ((Element)modal.getElement().getChildNodes().getItem(1)).addClassName("modal-body-custom");
+					((Element)modal.getElement().getChildNodes().getItem(1)).addClassName("modal-body-ws-tree ");
 					modal.add(new CreateDatasetForm(folderId, eventBus));
 					modal.setCloseVisible(true);
 					modal.show();

src/main/java/org/gcube/portlets/user/workspace/public/workspacetree.css

@@ -264,9 +264,8 @@ table.userssuggest th {
 	margin-left: -600px !important;
 }
 
-.modal-body-custom {
-	height: 550px !important;
-	max-height: none !important;
+.modal-body-ws-tree {
+	max-height: 700px !important;
 }
 
 .modal-top-custom {