fix first iteration current loop not working

Signed-off-by: Lumouille <[email protected]>

Author: Lumabots

discord/ext/tasks/__init__.py

@@ -48,7 +48,7 @@
 FT = TypeVar("FT", bound=_func)
 ET = TypeVar("ET", bound=Callable[[Any, BaseException], Awaitable[Any]])
 _current_loop_ctx: contextvars.ContextVar[int] = contextvars.ContextVar(
-    "_current_loop_ctx", default=0
+    "_current_loop_ctx", default=None
 )
 
 
@@ -310,7 +310,11 @@ def time(self) -> list[datetime.time] | None:
     @property
     def current_loop(self) -> int:
         """The current iteration of the loop."""
-        return _current_loop_ctx.get() or self._current_loop
+        return (
+            _current_loop_ctx.get()
+            if _current_loop_ctx.get() is not None
+            else self._current_loop
+        )
 
     @property
     def next_iteration(self) -> datetime.datetime | None: