ipsec: T4118: bugfix config migrator 9-to-10
ipsec: T4118: bugfix config migrator 9-to-10

When a CLI node is set with a migrator and is not a valueLess node, we need to
specify the "value" using the value= operation in config.set().

This fixes the config load error: vyos.configsession.ConfigSessionError: Invalid
config file (syntax error): error at line 353

vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x,vyos/vyos-1x