INGLEWOOD, Calif. – Squandering a 10-point, fourth-quarter lead again cost the 49ers a shot at the Lombardi Trophy. Two years after collapsing in the Super Bowl, the 49ers relapsed in Sunday’s fourth quarter of the NFC Championship Game and fell 20-17 to the host Los Angeles Rams at SoFi Stadium. The 49ers (12-8) could not pull off more down-to-the-wire heroics. They were tapped out, after winning elimination games here against the Rams in the regular-season finale just to make the playoffs as a wild-card, followed by harrowing wins at Dallas and Green Bay. The Rams rallied, and their reward i…