refactor(Layout): improve context menu instance

[ArgoZhang]

Link issues

fixes #5767

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Improve the Tab component's context menu and template rendering by updating method signatures and refactoring the rendering logic

New Features:

• Add support for passing the current Tab instance to template render fragments

Bug Fixes:

• Fix potential issues with template rendering by explicitly passing the Tab context

Enhancements:

• Modify template method signatures to pass the current Tab instance as a context
• Refactor Tab component's rendering logic to separate context menu and tab item list rendering
• Update ContextMenuZone to use a more conventional private field naming

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request refactors the Tab component to improve the context menu zone implementation, adds sample data to the Tabs sample page, renames and modifies the ContextMenu property in the ContextMenuZone component, and updates the ToolbarTemplate parameter in the Layout component.

Updated class diagram for the Tab component

classDiagram
  class Tab {
    RenderFragment RenderTabHeader
    RenderFragment ButtonTemplate
    RenderFragment ToolbarTemplate
    RenderFragment BeforeNavigatorTemplate
    RenderFragment AfterNavigatorTemplate
  }

  Tab : +RenderFragment RenderTabHeader
  Tab : +RenderFragment ButtonTemplate
  Tab : +RenderFragment ToolbarTemplate
  Tab : +RenderFragment BeforeNavigatorTemplate
  Tab : +RenderFragment AfterNavigatorTemplate

  note for Tab "ButtonTemplate, ToolbarTemplate, BeforeNavigatorTemplate, and AfterNavigatorTemplate are now RenderFragment<Tab>"

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Updated class diagram for the ContextMenuZone component

classDiagram
  class ContextMenuZone {
    RenderFragment? ChildContent
    ContextMenu? _contextMenu
    +Task OnContextMenu(MouseEventArgs args, object? contextItem)
    +void RegisterContextMenu(ContextMenu contextMenu)
  }

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File-Level Changes

Change	Details	Files
Refactors the Tab component to improve the context menu zone implementation.	Removes the ContextMenuZone component wrapping the tab content when ShowContextMenu is enabled. Moves the conditional rendering of the context menu to within the RenderTabHeader fragment. Introduces new RenderFragment properties RenderTabItemListContextMenu and RenderTabItemList to handle the conditional rendering of tab items with or without the context menu. Removes the CascadingValue component from the RenderTabHeader fragment. Updates the ButtonTemplate, ToolbarTemplate, BeforeNavigatorTemplate and AfterNavigatorTemplate parameters to be RenderFragment instead of RenderFragment.	src/BootstrapBlazor/Components/Tab/Tab.razor src/BootstrapBlazor/Components/Tab/Tab.razor.cs
Adds sample data to the Tabs sample page.	Adds a List property to the Tabs sample page. Overrides the OnInitialized method to generate sample data for the Items property. Adds a Table component to the TabItem2 content, displaying a subset of the generated Foo items.	src/BootstrapBlazor.Server/Components/Samples/Tabs.razor.cs src/BootstrapBlazor.Server/Components/Samples/Tabs.razor
Renames and modifies the ContextMenu property in the ContextMenuZone component.	Renames the ContextMenu property to _contextMenu. Updates the RegisterContextMenu method to assign the contextMenu parameter to the _contextMenu field. Updates the OnContextMenu method to use the _contextMenu field when showing the context menu.	src/BootstrapBlazor/Components/ContextMenu/ContextMenuZone.razor.cs
Updates the ToolbarTemplate parameter in the Layout component.	Updates the ToolbarTemplate parameter to be RenderFragment instead of RenderFragment.	src/BootstrapBlazor/Components/Layout/Layout.razor.cs

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#5767	Improve the context menu zone for the Tab component.	✅

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider extracting the tab header rendering logic into a separate component for better organization.
• The cascading values seem to be used to pass the Tab instance, consider using state management or service injection instead.

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (b0c29a6) to head (8453882).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #5768   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          658       658           
  Lines        30030     30029    -1     
  Branches      4243      4243           
=========================================
- Hits         30030     30029    -1     

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