ospfd: OSPF multi-instance default origination fixes (backport #17436)

[mergify[bot]]

When originating a default AS-External LSA in one OSPF instance, it wasn't working if the criteria route was installed by another OSPF instance. This required more flexible processing of the OSPF external route information.

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This is an automatic backport of pull request #17436 done by Mergify.

[mergify[bot]]

Cherry-pick of 6afd56da969821359ee1fdfbfd33259587f58184 has failed:

On branch mergify/bp/stable/10.1/pr-17436
Your branch is up to date with 'origin/stable/10.1'.

You are currently cherry-picking commit 6afd56da96.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
    modified:   ospfd/ospf_asbr.c
    modified:   ospfd/ospf_asbr.h
    modified:   ospfd/ospf_lsa.c
    modified:   ospfd/ospf_vty.c
    modified:   ospfd/ospf_zebra.h

Unmerged paths:
  (use "git add <file>..." to mark resolution)
    both modified:   ospfd/ospf_zebra.c

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[donaldsharp]

failure to merge, closing