[v24.1.x] admin: fix cache trim parameter order

[vbotbuildovich]

Backport #18732 to branch v24.1.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 v24.1.x
git checkout -b vbotbuildovich/backport-18732-v24.1.x-27
git cherry-pick -x 1d6f3884c7d9991846c84b095d8d39bacce693ba 3fd9135f92c86d996f524589ed555fe9214cf266 a6fcac50af50e76140ff102192871074e627fba9

git push origin vbotbuildovich/backport-18732-v24.1.x-27
gh pr create \
  --title "[v24.1.x] admin: fix cache trim parameter order" \
  --base "v24.1.x" \
  --label "kind/backport" \
  --head "vbotbuildovich/backport-18732-v24.1.x-27" \
  --draft \
  --repo "redpanda-data/redpanda" \
  --milestone "v24.1.x-next" \
  --body "Backport of PR https://github.com/redpanda-data/redpanda/pull/18732 "

JIRA Link: [CORE-3147](https://redpandadata.atlassian.net/browse/CORE-3147)