ATLANTA — Four years ago, Stacey Abrams’ struggles with debt became a favorite Republican attack during her run for governor. As she wages a second bid for Georgia’s top job, financial disclosures show that won’t be an issue this time. Abrams now has a net worth of roughly $3.17 million that’s mostly tied up in real estate and investments. She’s built a multimillion-dollar business writing books and appearing on the speaking circuit, according to a disclosure that shows she’s earned more than $6.5 million since the beginning of 2019. Gov. Brian Kemp has yet to disclose his most recent financia…