Remove annotation on row property in subclasses

discord/ui/button.py

@@ -128,7 +128,7 @@ class Button(Item[V]):
             style=style,
             emoji=emoji,
         )
-        self.row: Optional[int] = row
+        self.row = row
 
     @property
     def style(self) -> ButtonStyle:

discord/ui/select.py

@@ -124,7 +124,7 @@ class Select(Item[V]):
             options=options,
             disabled=disabled,
         )
-        self.row: Optional[int] = row
+        self.row = row
 
     @property
     def custom_id(self) -> str:

discord/ui/text_input.py

@@ -118,7 +118,7 @@ class TextInput(Item[V]):
             min_length=min_length,
             max_length=max_length,
         )
-        self.row: Optional[int] = row
+        self.row = row
 
     def __str__(self) -> str:
         return self.value or ''