List Cloud volumes from AWS backend. Size is returned in GiB but expecting in bytes in API response

[anvithks]

Issue/Feature Description:
In the API response for listing all cloud volumes the size parameter is returned in GiB.
The size is expected in bytes.

Why this issue to fixed / feature is needed(give scenarios or use cases):
The current handling of the size is assuming that it is returned in bytes. If this changes then the calculations and display on dashboard will be incorrect.

How to reproduce, in case of a bug:

Other Notes / Environment Information: (Please give the env information, log link or any useful information for this issue)
API response

Dashboard View