By Eric Twardzik A recent visit to Stanza Dei Sigari — a frozen-in-time cigar bar in Boston’s North End — brought back the forbidden pleasures of an indoor smoke. But upon reaching home, I discovered that those same fumes that felt so intoxicating in the leather-and-wood-filled den had infused my tweed jacket with eau de ashtray, which failed to dissipate the next morning. It’s a familiar conundrum for those who enjoy tailoring and the occasional smoke. Like a fireplace and a glass of scotch, each are old-world pleasures that seem a natural pairing. After all, let’s not forget that the modern …