fix: double motion under left join in case of cte

Summarize the changes

• fix: double motion under left join in case of cte

Ensure that

• New code is covered by unit and integration tests.
• Related issues would be automatically closed with gitlab's closing pattern (Closes #1, #2).
• Public modules are documented (check the rendered version with cargo doc --open).
• (if PEST grammar is changed) EBNF grammar reflects these changes (check the result with railroad diagram generator.

Next steps

• Update sbroad submodule in picodata/picodata.
• (if EBNF grammar is changed) create a follow-up issue in picodata/docs.

mentioned in issue #658 (closed)

approved this merge request

enabled an automatic merge when the pipeline for ffe9ba7d succeeds

assigned to @senya_volynets

requested review from @darthunix

merged