Update app/materials_library.py

app/materials_library.py

@@ -360,6 +360,8 @@ def initialize_session_state():
             "materials": {"library": DEFAULT_MATERIALS.copy(), "project": {}, "table": None},
             "fenestrations": {"library": DEFAULT_FENESTRATIONS.copy(), "project": {}, "table": None}
         }
+        update_project_materials_table()  # Initialize materials table
+        update_project_fenestrations_table()  # Initialize fenestrations table
     if "material_editor" not in st.session_state:
         reset_material_editor()
     if "fenestration_editor" not in st.session_state: