chore(frontend): prefer optimized_logical_plan in planner test

[skyzh]

Signed-off-by: Alex Chi iskyzh@gmail.com

What's changed and what's your intention?

• If batch / stream plan is already available, remove logical_plan.
• For logical_plan w/o correlated subquery, prefer optimized_logical_plan.

Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests

Refer to a related PR or issue link (optional)

[codecov]

Codecov Report

Merging #1911 (d275b41) into main (b2ada4b) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1911      +/-   ##
==========================================
+ Coverage   70.61%   70.66%   +0.04%     
==========================================
  Files         611      611              
  Lines       79994    79994              
==========================================
+ Hits        56491    56524      +33     
+ Misses      23503    23470      -33     

Flag	Coverage Δ
rust	70.66% <ø> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/connector/src/filesystem/file_common.rs	80.44% <0.00%> (-0.45%)	⬇️
src/frontend/src/optimizer/rule/filter_join.rs	95.14% <0.00%> (+2.02%)	⬆️
src/storage/src/hummock/local_version_manager.rs	86.48% <0.00%> (+4.72%)	⬆️
src/meta/src/hummock/mock_hummock_meta_client.rs	52.00% <0.00%> (+5.33%)	⬆️
src/meta/src/manager/stream_clients.rs	96.29% <0.00%> (+7.40%)	⬆️
.../frontend/src/optimizer/plan_node/logical_limit.rs	56.66% <0.00%> (+15.00%)	⬆️

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