fix: main preview assets static path (#776)

Co-authored-by: Vladislav Kharitonov <[email protected]>

Author: gorgeousvlad

.github/workflows/main-preview.yml

@@ -5,7 +5,7 @@ on:
     branches: [main]
 
 env:
-  PREVIEW_DEST_PATH: /page-constructor/main/
+  PREVIEW_DEST_PATH: /page-constructor
 
 jobs:
   main:
@@ -30,6 +30,6 @@ jobs:
         uses: gravity-ui/preview-upload-to-s3-action@v1
         with:
           src-path: storybook-static
-          dest-path: ${{ env.PREVIEW_DEST_PATH }}
+          dest-path: /page-constructor/main/
           s3-key-id: ${{ secrets.STORYBOOK_S3_KEY_ID }}
           s3-secret-key: ${{ secrets.STORYBOOK_S3_SECRET_KEY }}