Fixed: Issue#869 - scrollbar in sidebar

[AbhiArya20]

Description

Previously, the sidebar was not fully visible on certain screen sizes or when the browser was zoomed in, preventing users from accessing all sidebar items. This update adds a vertical scrollbar to the sidebar, ensuring that all content remains accessible regardless of screen size or zoom level.

Closes #869

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Type of Change

Please delete options that are not relevant.

• [x] 🐛 Bug fix (non-breaking change which fixes an issue)
• [x] ✨ New feature (non-breaking change which adds functionality)
• [x] 🎨 UI/UX improvement

Areas Affected

• [x] User Interface/Experience

Testing Done

• [x] Cross-browser testing (if UI changes)
• [x] Mobile responsiveness verified (if UI changes)

Checklist

• [x] My code follows the project's style guidelines
• [x] I have performed a self-review of my code
• [x] My changes generate no new warnings

https://github.com/user-attachments/assets/8c15a133-97d2-4c71-87d2-2f50fddbd2a7

Summary by CodeRabbit

• Refactor
  • Simplified and improved sidebar layout for better consistency and cleaner structure, including more consistent padding and scrollbar styling.
• Style
  • Enhanced sidebar scrollbar appearance and adjusted responsive padding for improved visual experience.
• Chores
  • Added and configured the Tailwind Scrollbar plugin for custom scrollbar styling.

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Walkthrough

This update refactors the sidebar layout in the mail application by simplifying the structure, removing unnecessary wrapper elements, and consolidating the bottom section into a new SidebarFooter component. Padding and scrollbar styling are now conditionally applied directly to sidebar components based on the collapsed state. The update also enhances scrollbar styling by adding the tailwind-scrollbar plugin to the Tailwind CSS configuration and adjusting relevant dependencies. Minor responsive padding adjustments are made in the navigation component to improve layout consistency.

Changes

File(s)	Change Summary
apps/mail/components/ui/app-sidebar.tsx	Refactored sidebar layout, removed wrapper <div> elements, consolidated bottom section into SidebarFooter, and applied conditional padding and scrollbar styles directly to sidebar sections.
apps/mail/components/ui/nav-main.tsx	Added responsive padding class (md:px-0) to SidebarGroup for improved layout on various screen sizes.
apps/mail/package.json	Added tailwind-scrollbar v3.1.0 to devDependencies.
apps/mail/tailwind.config.ts	Added and configured tailwind-scrollbar plugin for custom scrollbar styling in Tailwind CSS.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant AppSidebar
    participant SidebarHeader
    participant SidebarContent
    participant SidebarFooter

    User->>AppSidebar: Render sidebar (collapsed/expanded)
    AppSidebar->>SidebarHeader: Render header with conditional padding
    AppSidebar->>SidebarContent: Render content with scrollbar and padding
    AppSidebar->>SidebarFooter: Render footer with modal and nav items, conditional padding

Assessment against linked issues

Objective	Addressed	Explanation
Add scrollbar or collapsible behavior to sidebar to ensure full visibility at 100% zoom (#869)	✅

Possibly related PRs

• Mail-0/Zero#836: Refactors sidebar layout and padding, related due to overlapping modifications to sidebar structure and styling.
• Mail-0/Zero#828: Adjusts sidebar padding and layout, related as both PRs focus on sidebar layout refinements.
• Mail-0/Zero#467: Modifies SidebarContent styling, directly related to sidebar layout and overflow handling.

Suggested reviewers

• ahmetskilinc
• needleXO

Poem

A sidebar once cluttered, now sleek and refined,
With scrollbars that shimmer and padding aligned.
Wrappers removed, the layout set free,
Footer and header in pure harmony.
Tailwind’s scrollbars now glide with flair—
A rabbit’s delight for users everywhere!
🐇✨

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[MrgSub]

Please rebase on staging and add images/video

[ahmetskilinc]

Hi @AbhiArya20 I switched the base to staging please use staging for all future pull requests. There are also some conflicts now. Please resolve those.

[AbhiArya20]

@MrgSub @ahmetskilinc

I've added the video and resolved the conflict.

I'll make sure to use the staging branch for future PRs.

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