fix(optimizer): visit ternary ops when offset is specified for tumble

[xzhseh]

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What's changed and what's your intention?

resolve #15198.

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[xzhseh]

Current dependencies on/for this PR:

• fix(optimizer): visit ternary ops when offset is specified for tumble #15199 👈
• main

This stack of pull requests is managed by Graphite.

[xzhseh]

Note that in most cases (e.g., with actual table involved), this path will not be executed, the essential problem is likely arose from the combination use of creating a temporary table & specifying an offset when using tumble. I haven't fully verified if this is the root cause, just a guess.