Fixes
- Improve caching when getting the image size
- Improved the options UI
- Fixed inconsistencies with defaults

Feature
- Introduced image format

- Improved image capture on hover to correctly handle elements with `pointer-events: none`, preventing unintended captures from child images.
- Changed default Image Insight UI position to `topRight` to prevent overlap with preview links on linked images.
- Improved initial load performance by ensuring Image Insight elements are loaded only when needed.
- Enhanced caching mechanisms and overall performance improvements.