[Gatekeep] Fixed bug with daily watch list check

Due to the way the watch list removed its own entries in the loop, it would skip every other ID in the list. This new fix addresses that issue.

cogs/gatekeep/gatekeep.py

@@ -445,6 +445,9 @@ async def listWatch(self, ctx: Context):
             if member:
                 text = f"{member.name}#{member.discriminator} ({member.id})"
                 display.append(text)
+            else:
+                text = f"Unknown User ({id})"
+                display.append(text)
 
         # Check if the display list is empty
         if not display:
@@ -481,6 +484,7 @@ async def checkWatchlist(self):
         current = datetime.now(timezone.utc)
         for guild in guilds:
             watchList = await self.config.guild(guild).get_attr(KEY_WATCH_LIST)()
+            wl = await self.config.guild(guild).get_attr(KEY_WATCH_LIST)()
             nDays = await self.config.guild(guild).get_attr(KEY_NEW_USER_DAYS)()
             for id in watchList:
                 member = discord.utils.get(guild.members, id=id)
@@ -491,7 +495,7 @@ async def checkWatchlist(self):
                         or member.guild_permissions.administrator
                         or await self.bot.is_automod_immune(member)
                     ):
-                        watchList.remove(int(id))
+                        wl.remove(int(id))
                         self.logger.info(
                             "%s#%s (%s) removed from the watch list. (Trusted user)",
                             member.name,
@@ -500,12 +504,12 @@ async def checkWatchlist(self):
                         )
                 else:
                     # Remove member if they are no longer in the server (can't log because of it being an id)
-                    watchList.remove(int(id))
+                    wl.remove(int(id))
                     self.logger.info(
                         "Member with id (%s) removed from the watch list. (Not in server)", id
                     )
 
-            await self.config.guild(guild).get_attr(KEY_WATCH_LIST).set(watchList)
+            await self.config.guild(guild).get_attr(KEY_WATCH_LIST).set(wl)
             self.logger.info("Refreshed the watch list for %s", guild.name)
 
     # The async function that is triggered on new member join.