Due to the complete absence of plot, character, or thematic information for 'The Priest, 2019', it is not possible to determine if LGBTQ+ characters or themes are present or to evaluate their portrayal.

Based on the provided details, there is insufficient information regarding the film's plot, characters, or themes to evaluate its portrayal of transsexual individuals or related topics. Therefore, an assessment of its net impact cannot be made.

The movie does not contain any action or adventure elements.

Without information on the film's source material (e.g., adaptation, historical basis) or its characters, it is impossible to determine if any character's gender was canonically established and subsequently swapped.

There is no information provided regarding the film's characters, source material, or historical context to determine if any character was originally established as one race and then portrayed as another. Therefore, a determination cannot be made.