Fix parameter resolving issues with procedure calls when auto_explain is enabled. #7598
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There are two ways to generate explain resullts:
Citus follows different code paths in those two cases.
It runs out that auto_explain code path cannot handle parameters to procedures when explaining the procedure calls.
I am not highly confident in this change, expecially the part where I had to skip parameters with type 0, to make the code work, but the solution should be similar to this.