OAKLAND, California — Multiple efforts are underway on both sides of California’s political divide to short-circuit a 2022 law that would impose new income-based fixed fees on customers of PG&E and other utility leviathans. Democrats and Republicans in the state legislature have crafted separate measures designed to quash a plan to implement the fee that lawmakers hastily approved in an 11-hour proceeding. PG&E, Southern California Edison and San Diego Gas & Electric would be able to impose the new charge on their customers if the state Public Utilities Commission gives the plan a final OK — p…