handle specialization in the new trait solver

uwu :3

Author: lcnr

compiler/rustc_next_trait_solver/src/solve/assembly/mod.rs

@@ -12,6 +12,7 @@ use tracing::{debug, instrument};
 
 use super::has_only_region_constraints;
 use super::trait_goals::TraitGoalProvenVia;
+use super::{has_only_region_constraints, inspect};
 use crate::delegate::SolverDelegate;
 use crate::solve::inspect::ProbeKind;
 use crate::solve::{