Display 'end dialog' as last branch text

Packages/de.jmu.ge.dialogsystem/Runtime/Dialog.cs

@@ -68,9 +68,7 @@ public void OnBranchesUpdated(IList<Branch> currentBranches) {
                     branchText = target.MenuText;
                 }
                 if(string.IsNullOrWhiteSpace(branchText)) {
-                    Debug.Log("no branch text");
-                    Debug.Log(i);
-                    var hasNext = currentBranches[i].Target != null;
+                    var hasNext = currentBranches[i].Target is IObjectWithText;
                     branchText = hasNext ? "Continue" : "End dialog";
                 }
                 buttons[i].GetComponentInChildren<TMP_Text>().text = branchText;