bacport mgr/rook: always recreate kvm default network + fix groups refresh

bacport mgr/rook: always recreate kvm default network + fix groups refresh
Fixes: https://tracker.ceph.com/issues/64079
This change also includes:
- adding ~/.local/bin to path so behave binary can be found
- adding requirements.txt file for testing dependencies
- increasing timeout used to wait for tools deployment to 90s
- increasing timeout used to wait for kvm network to 20s

Signed-off-by: Redouane Kachach <rkachach@redhat.com>