## Summary
Fix issue where variables typed in the `filename_prefix` of the save
nodes were not interpreted. See issue raised by users here:
https://github.com/Comfy-Org/ComfyUI/pull/13850#issuecomment-4700771342
## Changes
- **What**: Added the following nodes to
`src/extensions/core/saveImageExtraOutput.ts`
- `SaveImageAdvanced`
- `SaveSVGNode`
- `SaveAudioMP3`
- `SaveAudioOpus`
- `SaveAudioAdvanced`