opt: mark SimplifyRange as essential

[DrewKimball]

This commit marks the SimplifyRange normalization rule as essential during random rule-disabling tests. This is necessary because RangeExpr is expected to maintain the invariant that its input is always an AndExpr. Other rules can replace the AndExpr with a different expression over the course of normalization, at which point the RangeExpr needs to be removed. Otherwise, various code-paths that depend on the invariant may panic (for example, predicate implication).

Fixes #88352

Release note: None

[cockroach-teamcity]

This change is 

[yuzefovich]

nit: add a backport label.

Reviewed 1 of 1 files at r1, all commit messages.
Reviewable status: complete! 1 of 0 LGTMs obtained (waiting on @DrewKimball)

[DrewKimball]

Should I add a label for 21.2 as well?

[yuzefovich]

I think backport to only 22.2 is needed since that where we introduced the rules-disabling knobs.

[mgartner]

Great find!

[DrewKimball]

TFTRs!

[DrewKimball]

bors r+

[craig]

Build succeeded:

• Bazel Essential CI (Cockroach)

[blathers-crl]

Encountered an error creating backports. Some common things that can go wrong:

1. The backport branch might have already existed.
2. There was a merge conflict.
3. The backport branch contained merge commits.

You might need to create your backport manually using the backport tool.

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error creating merge commit from d6bd25c to blathers/backport-release-22.2-88399: POST https://api.github.com/repos/cockroachdb/cockroach/merges: 409 Merge conflict []

you may need to manually resolve merge conflicts with the backport tool.

Backport to branch 22.2.x failed. See errors above.

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