Based on the information provided, the film 'Elbestadt bei Nacht' does not contain identifiable LGBTQ+ characters or themes. Therefore, its net impact on the portrayal of LGBTQ+ individuals is not applicable, as there is no depiction to evaluate.

Based on available plot details and character information, 'Elbestadt bei Nacht' does not appear to feature any identifiable transsexual characters or themes. The narrative focuses on a dancer involved in a murder case and a lawyer trying to prove her innocence, without any elements related to transgender identity.

The movie does not contain any action or adventure elements.

As an original film from 1937, "Elbestadt bei Nacht" does not adapt characters from prior source material or historical records. All characters are original to this production, thus precluding any gender swaps.

No information is provided regarding source material, prior adaptations, or historical figures for "Elbestadt bei Nacht" (1937). Without established canonical or historical racial identities for its characters, a determination of a race swap cannot be made.