Fix merge conflict with Qiskit#12943

With the recent merge with main we pulled in Qiskit#12943 which conflicted
with the rust space API changes made in this PR branch. This commit
updates the usage to conform with the new interface introduced in this
PR.

crates/circuit/src/circuit_data.rs

@@ -148,12 +148,8 @@ impl CircuitData {
             global_phase,
         )?;
         for (operation, params, qargs, cargs) in instruction_iter {
-            let qubits = (&mut res.qargs_interner)
-                .intern(InternerKey::Value(qargs))?
-                .index;
-            let clbits = (&mut res.cargs_interner)
-                .intern(InternerKey::Value(cargs))?
-                .index;
+            let qubits = (&mut res.qargs_interner).intern(qargs)?;
+            let clbits = (&mut res.cargs_interner).intern(cargs)?;
             let params = (!params.is_empty()).then(|| Box::new(params));
             res.data.push(PackedInstruction {
                 op: operation,