UI: Show Account and Project List in the Import Instance Form

### The required feature described as a wish

As a Admin/Operator I would like to select the list of Account and project from the dropdown during the vm import from vmware to kvm

Currently Admin user has to manually type the Account Name and Project Name, this can lead to errors

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We support the listing of account and project during network creation , similarly it should be supported import vm form

Start by locating the VM import form and compare its account and project inputs with the existing network-creation form, which already lists these values. Confirm the desired dropdown behavior from the attached screenshots and verify that an administrator can select both an account and project during VMware-to-KVM import without manual entry.

Written by the indexing model from the issue text.