fix(frontend): keep entity and message deletes in sync

backend/src/main/kotlin/com/condado/newsletter/service/EntityService.kt

@@ -21,7 +21,7 @@ class EntityService(
 
     /** Returns all virtual entities. */
     fun findAll(): List<VirtualEntityResponseDto> =
-        virtualEntityRepository.findAll().map { VirtualEntityResponseDto.from(it) }
+        virtualEntityRepository.findAllByActiveTrue().map { VirtualEntityResponseDto.from(it) }
 
     /** Returns one entity by ID, or null if not found. */
     fun findById(id: UUID): VirtualEntityResponseDto? =