This bug is a copy of https://bugzilla.redhat.com/show_bug.cgi?id=2137616 as fix needs to go on OCP side.
For must gather and attached screenshots please refer the bugzilla.

Add Capacity button does not exist after upgrade OCP version [OCP4.11->OCP4.12]

ODF Version:4.11.3-3
OCP Version: 4.12.0-0.nightly-2022-10-24-103753
Provider: AWS

1.Install ODF4.11 +OCP4.11
2.Upgrade OCP4.11 to OCP4.12
3.Log in to the OpenShift Web Console.
4.Click Operators → Installed Operators.
5.Click OpenShift Data Foundation Operator.
6.Click the Storage Systems tab.
7.Click the Action Menu (⋮) on the far right of the storage system name to extend the options menu.
"Add Capacity" button does not exist on menu.
*Attached Screenshot