Fix: beat count was not reset when restarting

When Sardine received a play message from another link peer,
the beat count was not properly reset. This commit is a fix
that will make sure of that.

sardine_core/clock/link_clock.py

@@ -17,7 +17,7 @@ def __init__(
         tempo: NUMBER = 120,
         bpb: int = 4,
         loop_interval: float = 0.001,
-        startup_delay: float = 3.0,
+        startup_delay: float = 0.1,  # idk
     ):
         super().__init__(loop_interval=loop_interval)
 
@@ -183,6 +183,7 @@ def _capture_link_info(self, *, update_transport: bool):
 
         if update_transport:
             if playing and not last_playing:
+                self.beat = 0
                 self.env.resume()
             elif not playing and last_playing:
                 self.env.pause()
@@ -257,7 +258,7 @@ def hook(self, event: str, *args):
             self._time_shift += delta * self.beat_duration
 
         if self._last_capture is not None:
-            # Allow boradcasting start/stop from sardine transport methods.
+            # Allow broadcasting start/stop from sardine transport methods.
             # This will cause a second pause/resume call from _capture_link_info(),
             # but Sardine's transport methods are idempotent so it should be fine.
             if event == "pause" and self._playing: