change row height in pseudoTree

src/view/MainView.java

@@ -707,6 +707,7 @@ public class MainView {
                 }
             }
         } );
+        pseudoTree.setRowHeight(15);
         JScrollPane treeView = new JScrollPane( pseudoTree );
         treeView.setBounds( 10,  110,  380, 380 );