[BUG] Dell OS10: Propagation of communities on IBGP sessions

[ipspace]

Looks like the current configuration template configures propagation of large- and extended but not standard communities on IBGP sessions

• Test topology: https://github.com/ipspace/netlab/blob/dev/tests/integration/bgp/05-community.yml
• Validation results: https://tests.netlab.tools/dellos10/libvirt/bgp/05-community.yml-validate.log