Fixed renderer indentation in merged References/GC Roots

Author: jisedlac

visualvm/heapviewer/src/org/graalvm/visualvm/heapviewer/java/impl/JavaReferencesPlugin.java

@@ -69,6 +69,7 @@
 import org.graalvm.visualvm.heapviewer.utils.ProgressIterator;
 import org.graalvm.visualvm.lib.jfluid.heap.JavaClass;
 import org.graalvm.visualvm.lib.jfluid.heap.Value;
+import org.graalvm.visualvm.lib.ui.swing.renderer.LabelRenderer;
 import org.openide.util.Lookup;
 import org.openide.util.NbBundle;
 import org.openide.util.NbPreferences;
@@ -387,6 +388,9 @@ public void setValue(Object value, int row) {
                 }
             }
             super.setValue(value, row);
+            
+            setIconTextGap(4);
+            ((LabelRenderer)valueRenderers()[0]).setMargin(3, 3, 3, 0);
         }
 
         @Override

visualvm/heapviewer/src/org/graalvm/visualvm/heapviewer/java/impl/PathToGCRootPlugin.java

@@ -66,6 +66,7 @@
 import javax.swing.SwingUtilities;
 import org.graalvm.visualvm.heapviewer.java.InstancesWrapper;
 import org.graalvm.visualvm.heapviewer.utils.HeapOperations;
+import org.graalvm.visualvm.lib.ui.swing.renderer.LabelRenderer;
 import org.openide.util.NbBundle;
 import org.openide.util.NbPreferences;
 import org.openide.util.lookup.ServiceProvider;
@@ -431,6 +432,9 @@ public void setValue(Object value, int row) {
                     }
                 }
                 super.setValue(value, row);
+                
+                setIconTextGap(4);
+                ((LabelRenderer)valueRenderers()[0]).setMargin(3, 3, 3, 0);
             }
 
             @Override