refactor: satisfy clippy::unnecessary_unwrap

New in Rust 1.93! Reference:
[`clippy::unnecessary_unwrap`](https://rust-lang.github.io/rust-clippy/rust-1.93.0/index.html#unnecessary_unwrap)

Author: ErichDonGubler

naga/src/back/spv/layout.rs

@@ -137,13 +137,13 @@ impl Instruction {
         assert_eq!(wc, words.len() as u16);
         assert_eq!(op, self.op as u16);
 
-        if self.type_id.is_some() {
-            assert_eq!(words[inst_index], self.type_id.unwrap());
+        if let Some(type_id) = self.type_id {
+            assert_eq!(words[inst_index], type_id);
             inst_index += 1;
         }
 
-        if self.result_id.is_some() {
-            assert_eq!(words[inst_index], self.result_id.unwrap());
+        if let Some(result_id) = self.result_id {
+            assert_eq!(words[inst_index], result_id);
             inst_index += 1;
         }
 

naga/src/back/wgsl/writer.rs

@@ -225,11 +225,9 @@ impl<W: Write> Writer<W> {
                         Attribute::MeshStage(mesh_output_name),
                         Attribute::WorkGroupSize(ep.workgroup_size),
                     ];
-                    if ep.task_payload.is_some() {
-                        let payload_name = module.global_variables[ep.task_payload.unwrap()]
-                            .name
-                            .clone()
-                            .unwrap();
+                    if let Some(task_payload) = ep.task_payload {
+                        let payload_name =
+                            module.global_variables[task_payload].name.clone().unwrap();
                         mesh_attrs.push(Attribute::TaskPayload(payload_name));
                     }
                     mesh_attrs