netfilter: nf_tables: memleak flow rule from commit path

stable inclusion
from stable-v5.10.122
commit 330c0c6cd2150a2d7f47af16aa590078b0d2f736
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I5W6OE

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=330c0c6cd2150a2d7f47af16aa590078b0d2f736



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[ Upstream commit 9dd732e0 ]

Abort path release flow rule object, however, commit path does not.
Update code to destroy these objects before releasing the transaction.

Fixes: c9626a2c ("netfilter: nf_tables: add hardware offload support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: Wei Li <liwei391@huawei.com>