Rep. Nancy Mace (R-SC) took the high road Wednesday after she claimed credit for $517 million for her district and naysayers accused her of voting against the legislation that made the funding possible. “Y’all are so dumb,” Mace retorted on X. “I delivered for the lowcountry and will always continue to do so. Oh and do better.” Mace’s snappy retort was directed at X’s fact-checking account @communitynotes, which posted context to Mace’s initial boast of funding for South Carolina’s first Congressional district. ALSO READ: ‘Don’t have enough’: Wealthy Trump allies balk at helping Donald pay leg…