Fix accidental destructure of string binding names (#439)

Author: sgentle

packages/tre/src/plugins/shared/index.ts

@@ -55,7 +55,7 @@ export function namespaceEntries(
   namespaces?: Record<string, string> | string[]
 ): [bindingName: string, id: string][] {
   if (Array.isArray(namespaces)) {
-    return namespaces.map(([bindingName]) => [bindingName, bindingName]);
+    return namespaces.map((bindingName) => [bindingName, bindingName]);
   } else if (namespaces !== undefined) {
     return Object.entries(namespaces);
   } else {