Dashboard: migrate sponsorship policies from chakra to tailwind (#7753)

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## PR-Codex overview
This PR focuses on refactoring the `AccountAbstractionSettingsPage` component to improve its structure and replace Chakra UI components with custom UI components, enhancing maintainability and consistency.

### Detailed summary
- Removed `ChakraProviderSetup` wrapper.
- Replaced Chakra UI components with custom components (e.g., `Button`, `Form`, `Input`, `Textarea`, `Select`, `Switch`).
- Introduced `DynamicHeight` for responsive form sections.
- Updated form handling to use custom `FormField` component for better organization.
- Enhanced the layout and styling of sponsorship policies and admin accounts sections.

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Author: MananTank