Remove scene inclusion methods from router

The methods for including scenes as sub-routers have been removed from the router.py file. Instead, the SceneRegistry class is now set to register scenes by default upon initializing. This streamlines the scene management process by removing redundant routers and making registration automatic.

aiogram/dispatcher/router.py

@@ -1,15 +1,12 @@
 from __future__ import annotations
 
-from typing import Any, Dict, Final, Generator, List, Optional, Set, Type, TYPE_CHECKING
+from typing import Any, Dict, Final, Generator, List, Optional, Set
 
 from .event.bases import REJECTED, UNHANDLED
 from .event.event import EventObserver
 from .event.telegram import TelegramEventObserver
 from ..types import TelegramObject
 
-if TYPE_CHECKING:
-    from ..fsm.scene import Scene
-
 INTERNAL_UPDATE_TYPES: Final[frozenset[str]] = frozenset({"update", "error"})
 
 
@@ -221,29 +218,6 @@ class Router:
         router.parent_router = self
         return router
 
-    def include_scenes(self, *scenes: Type[Scene], name: Optional[str] = None) -> None:
-        """
-        Include multiple scenes to this router as sub-routers
-
-        :param scenes: scene instances
-        :param name: optional name for router
-        :return:
-        """
-        if not scenes:
-            raise ValueError("At least one scene must be provided")
-        for scene in scenes:
-            self.include_scene(scene, name=name)
-
-    def include_scene(self, scene: Type[Scene], name: Optional[str] = None) -> None:
-        """
-        Include a scene to this router as sub-router
-
-        :param scene: scene instance
-        :param name: optional name for router
-        :return:
-        """
-        self.include_router(scene.as_router(name=name))
-
     async def emit_startup(self, *args: Any, **kwargs: Any) -> None:
         """
         Recursively call startup callbacks

aiogram/fsm/scene.py

@@ -689,7 +689,7 @@ class SceneRegistry:
     A class that represents a registry for scenes in a Telegram bot.
     """
 
-    def __init__(self, router: Router, register_on_add: bool = False) -> None:
+    def __init__(self, router: Router, register_on_add: bool = True) -> None:
         """
         Initialize a new instance of the SceneRegistry class.