🎨 style: UI Style Enhancements and Refactor for Improved Consistency and Layout

[berry-13]

Summary

Closes #4469

This PR introduces several style-related updates and refactorings across various components to enhance the user interface's cleanliness, responsiveness, and consistency

Key Changes:

• General UI Adjustments:

  • Updated padding and adjusted class names across UI components for a more cohesive look
  • Removed redundant border and margin-top classes across multiple components for a cleaner, more streamlined layout

• Component-Specific Changes:

  • Export Modal:
  • Updated the export button style and hover effects for better user feedback
  • ChatForm:
  • Refactored styling, ensuring proper handling of isRTL layouts
  • AttachFile:
  • Adjusted the position of the AttachFile component for better alignment
  • Account Component:
  • Extracted the DisplayUsernameMessages logic and refactored the component's layout
  • SettingsTabs:
  • Simplified styles by removing redundant border classes for a more polished appearance

• Dropdowns:

  • In the ForkSettings component, dropdowns are now conditionally rendered to improve UI responsiveness
  • Replaced DropdownNoState with Dropdown in voice selection components for consistency across the project

• Settings Component:

  • Updated the layout to improve responsiveness on large screens, ensuring a better user experience

These changes are aimed at maintaining a consistent and clean design while ensuring the UI remains responsive across different screen sizes and user configurations

Change Type

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist

• [x] My code adheres to this project's style guidelines
• [x] I have performed a self-review of my own code
• [x] I have commented in any complex areas of my code
• [x] I have made pertinent documentation changes
• [x] My changes do not introduce new warnings
• [x] I have written tests demonstrating that my changes are effective or that my feature works
• [x] Local unit tests pass with my changes
• [x] Any changes dependent on mine have been merged and published in downstream modules.
• [x] A pull request for updating the documentation has been submitted.