fix getUsersScheduledForDeletion query

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/data/user/UsersDao.kt

@@ -78,7 +78,7 @@ abstract class UsersDao {
     @Query("SELECT * FROM User where userId != :userId")
     abstract fun getUsersWithoutUserId(userId: Long): Single<List<UserEntity>>
 
-    @Query("SELECT * FROM User where current = 0")
+    @Query("SELECT * FROM User where scheduledForDeletion = 1")
     abstract fun getUsersScheduledForDeletion(): Single<List<UserEntity>>
 
     @Query("SELECT * FROM User where scheduledForDeletion = 0")