adds recursive loop for more children

Co-authored-by: Jeff Krzywon <[email protected]>

Author: jellybean2004

src/sas/qtgui/Plotting/Slicers/SlicerUtils.py

@@ -13,7 +13,15 @@ def generate_unique_plot_id(base_id: str, item) -> str:
     parent_item = item if item.parent() is None else item.parent()
 
     existing: int = 0
+def _row_count_for_level(parent_item, count: int):
     for i in range(parent_item.rowCount()):
+        it = parent_item.child(i)
+        d = it.data()
+        if hasattr(d, "id") and isinstance(d.id, str) and d.id.startswith(base_id):
+            count += 1
+        if it.rowCount() > 0:
+            count += _row_count_for_level(it, count)
+    return count
         it = parent_item.child(i)
         d = it.data()
         if hasattr(d, "id") and isinstance(d.id, str) and d.id.startswith(base_id):