Silver Coodination Polymers with Flexible Ligands. Syntheses, Crystal Structures, and Effect of the Counteranion and the Solvent on the Structure of Complexes [AgL1X]∞ of the Bis(Phenylthio)methane Ligand L1 with Silver(I) Salts, X = ClO4-, BF4-, CF3COO-, CF3SO3-, CF3CF2CF2COO-, and -OOCCF2CF2COO-