refactor: replace initially_expanded with expanded in examples

Author: ndonkoHenri

sdk/python/examples/controls/expansion_tile/basic.py

@@ -53,7 +53,7 @@ def handle_expansion_tile_change(e: ft.Event[ft.ExpansionTile]):
             title=ft.Text("ExpansionTile 3"),
             subtitle=ft.Text("Leading expansion arrow icon"),
             affinity=ft.TileAffinity.LEADING,
-            initially_expanded=True,
+            expanded=True,
             collapsed_text_color=ft.Colors.BLUE_800,
             text_color=ft.Colors.BLUE_200,
             controls=[

sdk/python/examples/controls/expansion_tile/theme_mode_toggle.py

@@ -63,7 +63,7 @@ def handle_expansion_tile_change(e: ft.Event[ft.ExpansionTile]):
             title=ft.Text("ExpansionTile 3"),
             subtitle=ft.Text("Leading expansion arrow icon"),
             affinity=ft.TileAffinity.LEADING,
-            initially_expanded=True,
+            expanded=True,
             collapsed_text_color=ft.Colors.BLUE_800,
             text_color=ft.Colors.BLUE_200,
             controls=[