By Martin Baccardax Tesla is holding to its full-year production forecasts despite softer-than-expected third quarter sales and ongoing profit margin pressures. Tesla (TSLA) – Get Tesla Inc. Report posted better-than-expected third quarter earnings Wednesday, but overall revenues missed Street forecasts, while profit margins were flat to the prior period, suggesting a challenging backdrop for the clean energy carmaker heading into the final months of the year. Tesla said adjusted earnings for the three months ending in September were pegged at $1.05 per share, up nearly 70% from the same perio…