Based on the provided information, no identifiable LGBTQ+ characters or themes are present in 'Schön war die Zeit'. Therefore, an evaluation of its portrayal of LGBTQ+ elements is not applicable.

The film 'Schön war die Zeit' does not feature transsexual characters or themes. A character initially described as a 'Transvestit' is revealed to be a Jewish man in disguise, using cross-dressing for survival during WWII, not as an expression of gender identity. Thus, there is no depiction of transsexual identity to evaluate.

The movie does not contain any action or adventure elements.

The film "Schön war die Zeit" is an original production with characters created specifically for it, not an adaptation of pre-existing material or a reboot. Therefore, there are no established canonical or historical character genders to compare against for a gender swap.

There is no widely established prior source material or historical record for the characters in "Schön war die Zeit" (1988) that would define their race before this film's production. Thus, no character can be identified as having been race-swapped from a previously established race.