Stretched image layers and post-processing fixes

This update addresses issues with stretched image layers and ensures that post-processing effects are enabled correctly, along with updates to react export code snippets.

Changes

• Fixed issues with stretched image layers.
• Fixed issue of post-processing effects not being enabled.
• Updated react export code snippets.
• Fixed the copy action of react snippets.
• Fixed issue of file hover on the safari browser.
• Fixed issue of scaling/resizing objects.
• Fixed issue with antialiasing on post-processing.