cleared tabs fix

Author: willmcgugan

src/textual/widgets/_tabs.py

@@ -526,7 +526,8 @@ def clear(self) -> AwaitComplete:
         underline = self.query_one(Underline)
         underline.highlight_start = 0
         underline.highlight_end = 0
-        self.call_after_refresh(self.post_message, self.Cleared(self))
+        self.post_message(self.Cleared(self))
+        # self.call_after_refresh(self.post_message, self.Cleared(self))
         self.active = ""
         return AwaitComplete(self.query("#tabs-list > Tab").remove())