Fix rebase errors

Author: facchinm

app/src/processing/app/Editor.java

@@ -1425,7 +1425,7 @@ public void actionPerformed(ActionEvent e) {
     menu.addMenuListener(new MenuListener() {
       @Override
       public void menuSelected(MenuEvent e) {
-        boolean enabled = textarea.getSelectedText() != null;
+        boolean enabled = getCurrentTab().getSelectedText() != null;
         cutItem.setEnabled(enabled);
         copyItem.setEnabled(enabled);
       }

app/src/processing/app/SketchController.java

@@ -42,6 +42,7 @@
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Optional;