New base64 upgrade redirect mode causes infinite redirect loop

[simonw]

I think because if there is no ?sql= at all you get redirected:

django-sql-dashboard/django_sql_dashboard/utils.py

Lines 76 to 81 in 1a3801e

	def check_for_base64_upgrade(queries):
	# Strip of the timing bit if there is one
	queries = [q.split(":")[0] for q in queries]
	# If every query is base64-encoded JSON, return a new querystring
	if not all(is_valid_base64_json(query) for query in queries):
	return