[compiler] Make compiler aware of whether a local binding is constlike or not

Summary:
Minor change which supports the changeDetection work later on. We can know whether an individual local binding is const or constlike.

[ghstack-poisoned]

compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts

@@ -1168,7 +1168,7 @@ export type NonLocalBinding =
       imported: string;
     }
   // let, const, function, etc declared in the module but outside the current component/hook
-  | { kind: "ModuleLocal"; name: string }
+  | { kind: "ModuleLocal"; name: string; immutable: boolean }
   // an unresolved binding
   | { kind: "Global"; name: string };
 

compiler/packages/babel-plugin-react-compiler/src/HIR/HIRBuilder.ts

@@ -271,9 +271,14 @@ export default class HIRBuilder {
           module: importDeclaration.node.source.value,
         };
       } else {
+        const immutable =
+          (path.isVariableDeclaration() && path.node.kind === "const") ||
+          path.isClassDeclaration() ||
+          path.isClassExpression();
         return {
           kind: "ModuleLocal",
           name: originalName,
+          immutable,
         };
       }
     }