add comment about catch

Author: rmorshea

src/client/packages/idom-client-react/src/server.js

@@ -10,8 +10,9 @@ export function mountWithLayoutServer(
   const loadImportSource = (source, sourceType) =>
     import(
       sourceType == "NAME" ? serverInfo.path.module(source) : source
-    ).catch(() => {
-      console.error("Import failed");
+    ).catch((error) => {
+      // added a catch to silence a build warning - caller should actually catch
+      throw error;
     });
 
   mountLayoutWithWebSocket(