Async guard

This should prevent race condition and crashes when when changing modes (locking, unlocking, creating new profile)

clive/__private/core/world.py

@@ -16,9 +16,6 @@ from clive.__private.core.node import Node
 from clive.__private.core.profile import Profile
 from clive.__private.core.wallet_container import WalletContainer
 from clive.__private.ui.clive_dom_node import CliveDOMNode
-from clive.__private.ui.forms.create_profile.create_profile_form import CreateProfileForm
-from clive.__private.ui.screens.dashboard import Dashboard
-from clive.__private.ui.screens.unlock import Unlock
 from clive.exceptions import ProfileNotLoadedError
 
 if TYPE_CHECKING:
@@ -271,16 +268,7 @@ class TUIWorld(World, CliveDOMNode):
         self.node.change_related_profile(profile)
 
     async def _on_going_into_locked_mode(self, source: LockSource) -> None:
-        if source == "beekeeper_wallet_lock_status_update_worker":
-            self.app.notify("Switched to the LOCKED mode due to timeout.", timeout=10)
-
-        self.app.pause_refresh_node_data_interval()
-        self.app.pause_refresh_alarms_data_interval()
-        self.node.cached.clear()
-        self._add_welcome_modes()
-        await self.app.switch_mode("unlock")
-        await self._restart_dashboard_mode()
-        await self.switch_profile(None)
+        await self.app._switch_mode_into_locked(source)
 
     async def _on_going_into_unlocked_mode(self) -> None:
         self.app.trigger_app_state_watchers()
@@ -288,14 +276,6 @@ class TUIWorld(World, CliveDOMNode):
     def _setup_commands(self) -> TUICommands:
         return TUICommands(self)
 
-    def _add_welcome_modes(self) -> None:
-        self.app.add_mode("create_profile", CreateProfileForm)
-        self.app.add_mode("unlock", Unlock)
-
-    async def _restart_dashboard_mode(self) -> None:
-        await self.app.remove_mode("dashboard")
-        self.app.add_mode("dashboard", Dashboard)
-
     def _update_profile_related_reactive_attributes(self) -> None:
         # There's no proper way to add some proxy reactive property on textual reactives that could raise error if
         # not set yet, and still can be watched. See: https://github.com/Textualize/textual/discussions/4007