pw_console: Early log message arrival fix

- The LogView class was not checking for existing messages in the
  LogStore instance on startup. This gave the impression that only one
  log arrived until the user scrolls or a new message arrives.
- Bump pw_console MAX_FPS to 30.

Change-Id: Ib8017e076f0da9d1e6d6b29ee944ade002148bc4
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/95364
Pigweed-Auto-Submit: Anthony DiGirolamo <[email protected]>
Reviewed-by: Armando Montanez <[email protected]>
Commit-Queue: Auto-Submit <[email protected]>

pw_console/py/pw_console/console_app.py

@@ -78,7 +78,7 @@
 # Don't send fake_device logs to the root Python logger.
 _FAKE_DEVICE_LOG.propagate = False
 
-MAX_FPS = 15
+MAX_FPS = 30
 MIN_REDRAW_INTERVAL = (60.0 / MAX_FPS) / 60.0
 
 

pw_console/py/pw_console/log_view.py

@@ -143,6 +143,9 @@ def __init__(
         # Cache of formatted text tuples used in the last UI render.
         self._line_fragment_cache: List[StyleAndTextTuples] = []
 
+        # Check if any logs are already in the log_store and update the view.
+        self.new_logs_arrived()
+
     def view_mode_changed(self) -> None:
         self._reset_log_screen_on_next_render = True