[Alias] Aliased commands retain newlines (#4656)

Co-authored-by: Michael Oliveira <34169552+Flame442@users.noreply.github.com>

redbot/cogs/alias/alias.py

@@ -150,6 +150,15 @@ class Alias(commands.Cog):
         raise ValueError("No prefix found.")
 
     async def call_alias(self, message: discord.Message, prefix: str, alias: AliasEntry):
+        new_message = self.translate_alias_message(message, prefix, alias)
+        await self.bot.process_commands(new_message)
+
+    def translate_alias_message(self, message: discord.Message, prefix: str, alias: AliasEntry):
+        """
+        Translates a discord message using an alias
+        for a command to a discord message using the
+        alias' base command.
+        """
         new_message = copy(message)
         try:
             args = alias.get_extra_args_from_alias(message, prefix)
@@ -163,7 +172,8 @@ class Alias(commands.Cog):
         new_message.content = "{}{} {}".format(
             prefix, command, " ".join(args[trackform.max + 1 :])
         ).strip()
-        await self.bot.process_commands(new_message)
+
+        return new_message
 
     async def paginate_alias_list(
         self, ctx: commands.Context, alias_list: List[AliasEntry]

redbot/cogs/alias/alias_entry.py

@@ -62,8 +62,7 @@ class AliasEntry:
             word = view.get_quoted_word()
             if len(word) < view.index - prev:
                 word = "".join((view.buffer[prev], word, view.buffer[view.index - 1]))
-            extra.append(word)
-            view.skip_ws()
+            extra.append(word.strip(" "))
         return extra
 
     def to_json(self) -> dict: