Dereference null return value

If the function actually returns a null value, a null pointer dereference will occur. Return value of function which returns null is dereferenced without checking
/data/bazel_cache/1de52aaeb35278243ca29a4785ce7969/execroot/_main/src/mongo/db/query/stage_builder/sbe/abt_lower.cpp:361: NULL_RETURNS 173490 Assigning: "paramId" = "nullptr" return value from "cast".