Various Paginator fixes for disable(), cancel(), and respond me…

…thods. (Pycord-Development#1088)

* potential fix for Pycord-Development#1083 by converting WebhookMessage to Message

* fix for Pycord-Development#1082

* fix for Pycord-Development#1082

* proper fix for Pycord-Development#1083 by converting WebhookMessage and InteractionMessage to Message

* apply fix for Pycord-Development#1082 to `cancel()` method as well

* apply fix for Pycord-Development#1082 to `cancel()` method as well

* fix logic for cancel/disable

discord/ext/pages/pagination.py

@@ -374,7 +374,7 @@ async def disable(
         """
         page = self.get_page_content(page)
         for item in self.children:
-            if item not in self.custom_view.children or include_custom:
+            if include_custom or not self.custom_view or item not in self.custom_view.children:
                 item.disabled = True
         if page:
             await self.message.edit(
@@ -402,7 +402,7 @@ async def cancel(
         items = self.children.copy()
         page = self.get_page_content(page)
         for item in items:
-            if item not in self.custom_view.children or include_custom:
+            if include_custom or not self.custom_view or item not in self.custom_view.children:
                 self.remove_item(item)
         if page:
             await self.message.edit(
@@ -737,18 +737,22 @@ async def respond(
                     view=self,
                     ephemeral=ephemeral,
                 )
-
+                # convert from WebhookMessage to Message reference to bypass 15min webhook token timeout
+                msg = msg.channel.get_partial_message(msg.id) or await msg.channel.fetch_message(msg.id)
             else:
                 msg = await interaction.response.send_message(
                     content=page if isinstance(page, str) else None,
                     embeds=[] if isinstance(page, str) else page,
                     view=self,
                     ephemeral=ephemeral,
                 )
-            if isinstance(msg, (discord.WebhookMessage, discord.Message)):
+            if isinstance(msg, discord.WebhookMessage):
+                self.message = await msg.channel.fetch_message(msg.id)
+            elif isinstance(msg, discord.Message):
                 self.message = msg
             elif isinstance(msg, discord.Interaction):
-                self.message = await msg.original_message()
+                msg = await msg.original_message()
+                self.message = await msg.channel.fetch_message(msg.id)
 
         return self.message