Remove panics from common_subexpr_eliminate

[andygrove]

Which issue does this PR close?

Part of #3314

Rationale for this change

Optimizer can recover from rules that fail with Err but not if they panic

What changes are included in this PR?

Remove panics

Are there any user-facing changes?

No

[andygrove]

@avantgardnerio this is the last of these today and collectively they remove all panics from optimizer rules AFAIK

[avantgardnerio]

👍

[codecov-commenter]

Codecov Report

Merging #3346 (8d3e127) into master (dadd2dc) will decrease coverage by 0.35%.
The diff coverage is 80.64%.

@@ Coverage Diff @@## master #3346 +/- ##
==========================================
- Coverage 85.83% 85.48% -0.36% 
==========================================
Files 294 294 Lines 53752 54074 +322 ==========================================
+ Hits 46137 46224 +87 - Misses 7615 7850 +235 

Impacted Files	Coverage Δ
...tafusion/optimizer/src/common_subexpr_eliminate.rs	90.37% <80.64%> (-3.88%)	⬇️
datafusion/expr/src/expr.rs	75.57% <0.00%> (-11.89%)	⬇️
datafusion/expr/src/expr_rewriter.rs	79.69% <0.00%> (-6.98%)	⬇️
datafusion/physical-expr/src/crypto_expressions.rs	56.11% <0.00%> (-6.39%)	⬇️
datafusion/expr/src/expr_visitor.rs	53.68% <0.00%> (-5.62%)	⬇️
datafusion/sql/src/utils.rs	44.63% <0.00%> (-5.00%)	⬇️
datafusion/proto/src/to_proto.rs	48.89% <0.00%> (-2.19%)	⬇️
datafusion/core/src/physical_plan/planner.rs	77.39% <0.00%> (-2.06%)	⬇️
datafusion/expr/src/expr_schema.rs	61.67% <0.00%> (-1.91%)	⬇️
... and 10 more

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[ursabot]

Benchmark runs are scheduled for baseline = e032bc4 and contender = f4468ea. f4468ea is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java