topology tests and requested_cap_breakdown: replace busybox with ubi8 for disconected clusters

[DanielOsypenko]

Fix the problem with containers unavailable on disconnected clusters:

[2025-02-02T13:54:30.118Z] 08:54:29 - MainThread - ocs_ci.ocs.ui.workload_ui - �[32mINFO�[0m  - Run IO on pod busybox-1gi-1738504443067-798b6b5495-qklft
[2025-02-02T13:54:30.118Z] 08:54:29 - MainThread - ocs_ci.utility.utils - �[32mINFO�[0m  - Executing command: oc -n project-ui-54b8b3e820a649f187b42d53d2d2b rsh busybox-1gi-1738504443067-798b6b5495-qklft dd if=/dev/urandom of=/tmp/testfile bs=64M count=16
[2025-02-02T13:54:30.371Z] 08:54:30 - MainThread - ocs_ci.utility.utils - �[33mWARNING�[0m  - Command stderr: error: unable to upgrade connection: container not found ("busybox")

RP link: https://url.corp.redhat.com/fdcd710

[openshift-ci]

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[DanielOsypenko]

local run Passed: https://privatebin.corp.redhat.com/?7c1ce4fa756334d3#mf5cQjp1paA9nP8ERd8t4qJfcPaoCzx1zBDNHbcrRgo