[enhancement]: Provide aspect ratio templates for common formats

### Is there an existing issue for this?

- [X] I have searched the existing issues

### Contact Details

_No response_

### What should this feature add?

I often want to generate something in format of e.g.
- DIN A4 (for making posters or documents)
- Common screen resolutions (wallpapers)
- Common cinema resolutions (content creation)

It would be super handy to have some of the features like:
- Having a dropdown do quickly choose common ratios
- Change either width or height, based on a manual pre-defined width/height to fit a certain format (before upscaling)
- Prepare custom aspect ratio templates for re-using certain canvas sizes

### Alternatives

- Note my common ratios/canvas sizes and copy paste them repeatedly

### Additional Content

_No response_