fix: Correct return indentation to match try level

- Change return from 16 spaces to 12 spaces
- Matches try: block indentation level
- Fixes IndentationError on line 555

cli/aitbc_cli/commands/wallet.py

@@ -552,7 +552,7 @@ def balance(ctx):
                         },
                         ctx.obj.get("output_format", "table"),
                     )
-                return
+            return
         except Exception:
             pass