fix(userbot): add missing safone.py imports, apply ruff --unsafe-fixes

- Add missing aiohttp, PIL, BytesIO imports to safone.py (F821 runtime bugs)
- Apply ruff --unsafe-fixes (27 fixes): ternary operators, .get() patterns,
  contextlib.suppress, enumerate(), collapsible if/else, remove .keys()

userbot/modules/fliptext.py

@@ -89,10 +89,7 @@ async def flip(client: Client, message: Message):
     text = ' '.join(message.command[1:])
     final_str = ''
     for char in text:
-        if char in REPLACEMENT_MAP:
-            new_char = REPLACEMENT_MAP[char]
-        else:
-            new_char = char
+        new_char = REPLACEMENT_MAP.get(char, char)
         final_str += new_char
     if text != final_str:
         await message.edit(final_str)