fix: fix copybook download from USS and DSN both in case concurrent r…

…equests

Signed-off-by: ap891843 <aman.prashant@broadcom.com>

clients/cobol-lsp-vscode-extension/src/services/copybook/downloader/ZoweExplorerDownloader.ts

@@ -92,10 +92,10 @@ export abstract class ZoweExplorerDownloader {
         return true;
       } catch (err: any) {
         vscode.window.showErrorMessage(err.message);
+        return false;
       }
     }
-
-    return false;
+    return true;
   }
 
   protected createId(profileName: string, path: string) {