Bug #4069: Honor the value requested in the disk-resize input
Bug #4069: Honor the value requested in the disk-resize input

This way if the value is lower the user will be notified with
an error from the core. A nicer way would be to use a custom
abide validator

(cherry picked from commit ebf34a69c4e8b61e15e8ce742e627e4c47cddb36)

ohamada/one,juanmont/one,baby-gnu/one,OpenNebula/one,atodorov-storpool/one,ohamada/one,unistra/one,ohamada/one,juanmont/one,alvarosimon/one,hsanjuan/one,abelCoronado93/one,ohamada/one,goberle/one,abelCoronado93/one,atodorov-storpool/one,abelCoronado93/one,juanmont/one,goberle/one,goberle/one,juanmont/one,alvarosimon/one,abelCoronado93/one,OpenNebula/one,baby-gnu/one,OpenNebula/one,baby-gnu/one,ohamada/one,baby-gnu/one,hsanjuan/one,hsanjuan/one,unistra/one,OpenNebula/one,alvarosimon/one,alvarosimon/one,atodorov-storpool/one,alvarosimon/one,abelCoronado93/one,baby-gnu/one,juanmont/one,unistra/one,atodorov-storpool/one,hsanjuan/one,baby-gnu/one,juanmont/one,baby-gnu/one,goberle/one,juanmont/one,OpenNebula/one,OpenNebula/one,alvarosimon/one,hsanjuan/one,hsanjuan/one,unistra/one,hsanjuan/one,unistra/one,unistra/one,ohamada/one,goberle/one,atodorov-storpool/one,alvarosimon/one,alvarosimon/one,juanmont/one,juanmont/one,abelCoronado93/one,ohamada/one,abelCoronado93/one,atodorov-storpool/one,baby-gnu/one,atodorov-storpool/one,goberle/one,atodorov-storpool/one,OpenNebula/one,unistra/one,atodorov-storpool/one,goberle/one,OpenNebula/one,OpenNebula/one,abelCoronado93/one,goberle/one,unistra/one,ohamada/one,hsanjuan/one