fix: resolve TypeScript Promise typing issue in expSite.ts

- Fix Promise resolve callback signature compatibility
- Add explicit Promise<void> type annotation
- Wrap resolve() call in arrow function for proper event handler signature
- Resolves compilation error that was blocking push

Author: lesya7

src/shared/experience/expSite.ts

@@ -299,8 +299,8 @@ export class ExperienceSite {
       // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access
       response.data.pipe(fileStream);
 
-      await new Promise((resolve, reject) => {
-        fileStream.on('finish', resolve);
+      await new Promise<void>((resolve, reject) => {
+        fileStream.on('finish', () => resolve());
         fileStream.on('error', reject);
       });
       this.saveMetadata(metadata);