chore: preserve @ fidelity for code snippet outputs

Agent-Logs-Url: https://github.com/statch/gitbot/sessions/46b730a3-a822-49cd-9473-c994c6dd7db6

Co-authored-by: seven7ty <63970738+seven7ty@users.noreply.github.com>

Author: Copilot

cogs/github/numbered/gist.py

@@ -90,7 +90,8 @@ async def build_gist_embed(self,
 
         stargazers_and_comments = f'{stargazers} and {comments}'
         info: str = f'{created_at}{updated_at}{stargazers_and_comments}'
-        content: str = self.bot.mgr.sanitize_codeblock_content(self.bot.mgr.truncate(first_file['text'], 749, ' [...]'))
+        content: str = self.bot.mgr.sanitize_codeblock_content(self.bot.mgr.truncate(first_file['text'], 749, ' [...]'),
+                                                               neutralize_mentions=False)
         embed.add_field(name=f':notepad_spiral: {ctx.l.gist.glossary[0]}:', value=f"```{self.extension(first_file['extension'])}\n{content}```")
         embed.add_field(name=f":mag_right: {ctx.l.gist.glossary[1]}:", value=info)
 

cogs/github/other/snippets/_snippet_tools.py

@@ -50,7 +50,7 @@ async def get_text_from_url_and_data(ctx: 'GitBotContext',
     if text:
         text = text.rstrip()
         if wrap_in_codeblock:
-            text = ctx.bot.mgr.sanitize_codeblock_content(text)
+            text = ctx.bot.mgr.sanitize_codeblock_content(text, neutralize_mentions=False)
             return f"```{extension}\n{text}\n```", None
         return text, None
     return '', None