fix(error): don't return in a finally block (PEP-765) (#35610)

https://docs.python.org/3/whatsnew/3.14.html#pep-765-control-flow-in-finally-blocks

Signed-off-by: Akhil Narang <me@akhilnarang.dev>

frappe/utils/error.py

@@ -109,9 +109,10 @@ def get_error_metadata() -> str:
 			metadata["form_dict"] = sanitized_dict(frappe.form_dict)
 
 		metadata["user"] = getattr(frappe.session, "user", "Unidentified")
-	finally:
+	except Exception:
 		# We don't want to bother with exception handling *while* gathering some error's metadata
-		return frappe.as_json(metadata)  # noqa: B012
+		pass
+	return frappe.as_json(metadata)
 
 
 def log_error_snapshot(exception: Exception):