cross_check_raw_capacity() func fails on 4.18

[Shrivaibavi]

logs here https://ocs4-jenkins-csb-odf-qe.apps.ocp-c1.prod.psi.redhat.com/job/qe-deploy-ocs-cluster/44438/consoleFull

2024-11-29 11:07:45          # Cross checking the raw capacity of the blockpool between CLI and UI
2024-11-29 11:07:45  >       assert blockpool_ui_object.cross_check_raw_capacity(
2024-11-29 11:07:45              self.pool_name
2024-11-29 11:07:45          ), "Block pool raw capacity did not matched with UI"
2024-11-29 11:07:45  E       AssertionError: Block pool raw capacity did not matched with UI
2024-11-29 11:07:45  E       assert False
2024-11-29 11:07:45  E        +  where False = <bound method BlockPoolUI.cross_check_raw_capacity of BlockPoolUI Web Page>('rbd-pool-test-258b14d49b0442f790e05bc445')
2024-11-29 11:07:45  E        +    where <bound method BlockPoolUI.cross_check_raw_capacity of BlockPoolUI Web Page> = BlockPoolUI Web Page.cross_check_raw_capacity
2024-11-29 11:07:45  E        +    and   'rbd-pool-test-258b14d49b0442f790e05bc445' = <test_create_pool_block_pool.TestPoolUserInterface object at 0x7f6e8762e580>.pool_name
2024-11-29 11:07:45  
2024-11-29 11:07:45  tests/cross_functional/ui/test_create_pool_block_pool.py:143: AssertionError

t is a deviation between UI and CLI PVC Used capacity caused by time delay
UI 209 MiB != CLI 213.1 MiB and assertion failed

The above needs to be handled