For an unbeatable view of the Swiss Alps and their picture-perfect mountaintops see the “Clouds of Sils Maria.” This new film by French director Olivier Assayas (“Summer hours,” “Carlos”) shot entirely within the idyllic spreads of rural Switzerland puts in focus the coming undone of Maria Enders, an older actress (played by Juliette Binoche) who is confronted by her past when an actress half her age (Chloe Grace Moretz) is handed the role