Resolve semantic merge conflict with gfx-rs#7339

Author: andyleiserson

naga/src/front/wgsl/lower/mod.rs

@@ -661,9 +661,9 @@ impl<'source, 'temp, 'out> ExpressionContext<'source, 'temp, 'out> {
             local_expression_kind_tracker: rctx.local_expression_kind_tracker,
         };
         let mut nested_ctx = ExpressionContext {
+            enable_extensions: self.enable_extensions,
             expr_type: ExpressionContextType::Runtime(nested_rctx),
             ast_expressions: self.ast_expressions,
-            types: self.types,
             globals: self.globals,
             module: self.module,
             const_typifier: self.const_typifier,