roachtest: sqlsmith/setup=seed/setting=no-ddl failed

[cockroach-teamcity]

SELECT width_bucket(true, '{}'); 

ERROR: internal error: expected *DArray, found *tree.DString
SQLSTATE: XX000
DETAIL: stack trace:
pkg/sql/sem/tree/datum.go:4811: MustBeDArray()
pkg/sql/sem/builtins/math_builtins.go:616: func778()
pkg/sql/sem/eval/expr.go:502: EvalFuncExpr()
bazel-out/darwin_arm64-fastbuild/bin/pkg/sql/sem/tree/eval_expr_generated.go:292: Eval()
pkg/sql/sem/eval/expr.go:22: Expr()
pkg/sql/opt/norm/fold_constants_funcs.go:687: FoldFunction()
bazel-out/darwin_arm64-fastbuild/bin/pkg/sql/opt/norm/factory.og.go:21645: ConstructFunction()
pkg/sql/opt/optbuilder/scalar.go:573: buildFunction()
pkg/sql/opt/optbuilder/scalar.go:331: buildScalar()
pkg/sql/opt/optbuilder/project.go:203: buildProjectionList()
pkg/sql/opt/optbuilder/select.go:1255: buildSelectClause()

Jira issue: CRDB-56315

[yuzefovich]

dup of #89969