feat(desktop): add dropdown menu to Add repository button

[saddlepaddle]

Summary

• Convert the sidebar "Add repository" button to a dropdown menu with two options
• Open project: opens a folder picker to select an existing local repo
• Clone repo: opens the clone dialog to clone from a URL
• Dropdown opens upward with folder-plus icon

Test plan

• Click "Add repository" button in sidebar (expanded and collapsed states)
• Verify dropdown appears above the button
• Click "Open project" and verify folder picker opens
• Click "Clone repo" and verify clone dialog opens
• Test both options complete their flows successfully

Summary by CodeRabbit

New Features

• Redesigned the workspace sidebar footer with a dropdown-based interface featuring quick actions to open existing projects and clone repositories
• Added dedicated repository cloning capability with dialog support and error handling to streamline repository management workflows
• Enhanced sidebar interactions with loading state management for better user feedback during operations

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

📝 Walkthrough

Walkthrough

The WorkspaceSidebarFooter component is refactored to use dropdown-based UI for repository actions in both collapsed and expanded states. A new CloneRepoDialog component is integrated with corresponding state management, replacing the previous single-action button with a multi-action dropdown containing "Open project" and "Clone repo" options.

Changes

Cohort / File(s)

Summary

WorkspaceSidebarFooter UI Restructuring apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/WorkspaceSidebarFooter.tsx

Converts single-action button to dropdown menu with two actions: "Open project" and "Clone repo". Adds CloneRepoDialog component integration with new state management (isCloneDialogOpen, handleCloneError). Introduces isLoading derived state from pending operations. Adds new imports for dropdown components (DropdownMenu, DropdownMenuContent, DropdownMenuTrigger, DropdownMenuItem) and icons (LuFolderGit, LuFolderOpen, LuFolderPlus). Renames handleOpenNewProject to handleOpenProject. Updates disabled behavior logic and adjusts rendering for both collapsed and expanded sidebar modes.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• feature (desktop): sidebar style and close functionality #618: Modifies the same WorkspaceSidebarFooter component to adjust icon strokeWidth properties, likely affected by or conflicting with the UI restructuring in this PR.
• refactor (desktop): Repository project image And Sidebar Changes #601: Changes the collapsed-mode rendering and props of WorkspaceSidebarFooter.tsx, which overlaps with the footer restructuring work in this PR.

Poem

🐰 A dropdown blooms where once stood single,
Clone and open dance in dropdown mingle,
Dialog appears when repos need their place,
Loading states keep the UI's pace,
The footer's heart beats dropdown-bright! ✨

🚥 Pre-merge checks | ✅ 2 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: converting the Add repository button to a dropdown menu.
Description check	✅ Passed	The description provides a clear summary and test plan but lacks several required template sections like Related Issues and Type of Change.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

• 📝 Generate docstrings

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[github-actions]

🧹 Preview Cleanup Complete

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