### What problem does this PR solve?
feat(storybook): Storybook with Calendar and Modal components #9869
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
Fix: Optimize styling and add a search settings loading state #3221
- Updated the calendar component's background color to use a variable
- Modified the Spin component's styling to use the primary text color
instead of black
- Added a form submission loading state to the search settings component
- Optimized the search settings form, unifying the styles of the model
selection and input fields
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
---------
Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>
### What problem does this PR solve?
fix: Create a new message component to replace the antd message
component, create a new Spin component to replace the antd Spin
component, optimize the original paging component style, and optimize
the chunk result page[
#3221](https://github.com/infiniflow/ragflow/issues/3221)
### Type of change
- [X] Bug Fix (non-breaking change which fixes an issue)
