James McClain For the last eight years, Colombian-born “Modern Family” star Sofia Vergara has reigned supreme as the best-paid actress on television, obliterating her competition with nearly $300 million in pre-tax earnings that’s evenly spread out between her sitcom salary and myriad lucrative endorsement deals and entrepreneurial ventures, including a fashion line with Walmart and even a furniture collaboration with Rooms To Go.Now Vergara and her husband, “True Blood” actor Joe Manganiello,