This pull request refactors and enhances the onboarding experience in the TutorialDialog component. The changes include replacing the previous dialog-based implementation with a multi-step onboarding flow featuring animated backgrounds, step-specific content, and improved user interactivity. Key updates focus on improving the user interface, adding new features for onboarding, and optimizing the code structure.

User Interface Enhancements:

• Replaced the static dialog design with a dynamic multi-step onboarding flow, including animated backgrounds and floating icons for visual appeal. (apps/desktop/components/tutorial-dialog.tsx, apps/desktop/components/tutorial-dialog.tsxL1-R322)
• Added step-specific content with distinct designs for "welcome," "docs," "discord," and "github" steps, each featuring tailored titles, descriptions, and interactive elements. (apps/desktop/components/tutorial-dialog.tsx, apps/desktop/components/tutorial-dialog.tsxL1-R322)

New Features for Onboarding:

• Introduced navigation controls ("Next," "Previous," and "Skip Tour") to allow users to move through the onboarding steps or skip the tutorial entirely. (apps/desktop/components/tutorial-dialog.tsx, apps/desktop/components/tutorial-dialog.tsxL1-R322)
• Implemented step indicators to visually show progress through the onboarding flow. (apps/desktop/components/tutorial-dialog.tsx, apps/desktop/components/tutorial-dialog.tsxL1-R322)

Code Structure Optimization:

• Refactored the TutorialDialog component by removing unused imports and modularizing logic into reusable components such as FeatureItem, `Bullet