update: upgrade sheet tabs interactions

[dg-ac]

This PR introduces two quality-of-life improvements to the sheet tab buttons, making them more intuitive and aligned with typical spreadsheet behavior.

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1. Right-click opens the options menu

Users can now open the sheet options menu using right-click, same way as in most spreadsheet applications.

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2. Sheet names can be edited inline

Double-clicking a sheet tab now turns it into an inline text input, allowing users to rename the sheet directly.
Previously, renaming required a separate dialog, which interrupted workflow.

Additionally, selecting “Rename sheet” from the menu now automatically focuses the input.

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Testing

• Right-click on a sheet tab opens the correct options menu.
• Double-clicking a sheet tab enables inline name editing.
• Pressing Enter saves the new sheet name; pressing Escape cancels it.
• Choosing Rename sheet from the menu focuses the inline input.
• Verify behavior on multiple sheets, including pinned/renamed ones.
• Confirm proper behavior on desktop and mobile.

[Copilot]

Pull Request Overview

This PR replaces the dialog-based sheet renaming workflow with inline editing and adds right-click menu support, improving the user experience to match common spreadsheet applications.

Key Changes:

• Right-click on sheet tabs now opens the options menu directly
• Double-clicking sheet tabs enables inline name editing
• Removed the separate rename dialog component

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 5 comments.

File	Description
SheetTabBar.tsx	Added height: 100% to the Sheets container for proper layout
SheetTab.tsx	Implemented inline editing with input field, context menu support via right-click, updated styling for active states, and keyboard handling (Enter/Escape)
SheetRenameDialog.tsx	Removed dialog component as it's replaced by inline editing

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[nhatcher]

LGTM!