full map optimization fix (#2092)

Author: willmcgugan

src/textual/_compositor.py

@@ -893,11 +893,7 @@ def update_widgets(self, widgets: set[Widget]) -> None:
             widget: Widget to update.
 
         """
-        if not self._full_map_invalidated and not widgets.issubset(
-            self.visible_widgets.keys()
-        ):
-            self._full_map_invalidated = True
-
+        self._full_map_invalidated = True
         regions: list[Region] = []
         add_region = regions.append
         get_widget = self.visible_widgets.__getitem__

src/textual/widget.py

@@ -36,7 +36,7 @@
 from rich.traceback import Traceback
 from typing_extensions import Self
 
-from . import errors, events, messages
+from . import constants, errors, events, messages
 from ._animator import DEFAULT_EASING, Animatable, BoundAnimator, EasingFunction
 from ._arrange import DockArrangeResult, arrange
 from ._asyncio import create_task
@@ -2626,7 +2626,7 @@ def post_message(self, message: Message) -> bool:
             True if the message was posted, False if this widget was closed / closing.
         """
 
-        if not self.is_running and not message.no_dispatch:
+        if constants.DEBUG and not self.is_running and not message.no_dispatch:
             try:
                 self.log.warning(self, f"IS NOT RUNNING, {message!r} not sent")
             except NoActiveAppError: