[v23.1.x] Fixed taking snapshot in rm_stm

[vbotbuildovich]

Backport #12155 to branch v23.1.x. Note that this issue was created as a placeholder, since the original PR's commit(s) could not be automatically cherry-picked.
Here are the commands to execute:

git checkout v23.1.x
git checkout -b vbotbuildovich/backport-12155-v23.1.x-147
git cherry-pick -x 127521f987219eab442327b7e211e8bf01cda4d0 d57a5323f8fb7fe56bfc89c646570c031331a03c

git push origin vbotbuildovich/backport-12155-v23.1.x-147
gh pr create \
  --title "[v23.1.x] Fixed taking snapshot in `rm_stm`" \
  --base "v23.1.x" \
  --label "kind/backport" \
  --head "vbotbuildovich/backport-12155-v23.1.x-147" \
  --draft \
  --repo "redpanda-data/redpanda" \
  --reviewer "bharathv,rystsov" \
  --milestone "v23.1.x-next" \
  --body "Backport of PR https://github.com/redpanda-data/redpanda/pull/12155 "