Fix not being able to get .NET latest templates (#4915)

* initial

* remove space

Author: motm32

resources/backupTemplates/dotnet/~4/net10.0-isolated/item.nupkg

@@ -51,8 +51,8 @@ export namespace requestUtils {
         const client: ServiceClient = await createGenericClient(context, undefined);
         const response: AzExtPipelineResponse = await client.sendRequest(request);
         const stream: NodeJS.ReadableStream = nonNullProp(response, 'readableStreamBody');
-        await new Promise((resolve, reject): void => {
-            stream.pipe(fse.createWriteStream(filePath).on('finish', () => resolve).on('error', reject));
+        await new Promise<void>((resolve, reject): void => {
+            stream.pipe(fse.createWriteStream(filePath).on('finish', () => resolve()).on('error', reject));
         });
     }
 
@@ -76,7 +76,6 @@ export namespace requestUtils {
      * Converts property name like "function_app_id" to "functionAppId"
      */
     function convertPropertyName(name: string): string {
-         
         while (true) {
             const match: RegExpMatchArray | null = /_([a-z])/g.exec(name);
             if (match) {