If we can, avoid setting up a separate BOOT partition

Signed-off-by: Philip <philm@manjaro.org>
Add 1MB offset for ROOT size calculation

Signed-off-by: Philip <philm@manjaro.org>
Do not swapoff ZRAM

Signed-off-by: Philip <philm@manjaro.org>
Filter out empty strings from the list of swap partitions.

Signed-off-by: Philip <philm@manjaro.org>
Hide alongside install

Signed-off-by: Philip <philm@manjaro.org>