дописала get в контроллерах

src/main/kotlin/com/project/movienight/application/services/FilmService.kt

@@ -66,4 +66,6 @@ class FilmService(
     fun findByTitle(title: String): Film? = filmRepository.findByTitle(title)
 
     fun findAll(): List<Film> = filmRepository.findAll()
+
+    fun findById(id: UUID): Film? = filmRepository.findById(id)
 }