feat(Table): improve performance for GetVisibleColumns function

[kimdiego2098]

Issues

close #6888

Summary by Sourcery

Improve the performance of column visibility filtering by materializing the filtered items, optimizing lookups, and renaming the internal collection field.

Enhancements:

• Rename the private VisibleColumns collection to a readonly _visibleColumns field for consistency
• Materialize the filtered visible items list once in GetVisibleColumns to avoid repeated enumeration
• Replace LINQ Any calls with List.Find checks to speed up column visibility lookups
• Update initialization logic and UI templates to use the new _visibleColumns field

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Replaced repeated LINQ iterator allocations in visible-columns filtering by introducing a precomputed HashSet and refactoring GetVisibleColumns to use O(1) lookups.

Class diagram for updated Table component visible columns logic

classDiagram
    class Table {
        - List<ColumnVisibleItem> VisibleColumns
        - HashSet<string> VisibleColumnNames
        + IEnumerable<ITableColumn> GetVisibleColumns()
        + void InternalResetVisibleColumns(List<ITableColumn> columns, IEnumerable<string> names)
    }
    class ColumnVisibleItem {
        - string Name
        - bool Visible
    }
    class ITableColumn {
        + string GetFieldName()
        + bool GetIgnore()
        + int ShownWithBreakPoint
    }
    Table "1" *-- "*" ColumnVisibleItem : manages
    Table "1" *-- "*" ITableColumn : filters
    ColumnVisibleItem "*" --> "1" ITableColumn : matches by Name

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Flow diagram for optimized visible columns filtering

flowchart TD
    A["VisibleColumns (List<ColumnVisibleItem>)"] --> B["VisibleColumnNames (HashSet<string>)"]
    B --> C["GetVisibleColumns()"]
    C --> D["Columns.Where(...) using VisibleColumnNames.Contains"]

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File-Level Changes

Change	Details	Files
Introduce VisibleColumnNames hashset and refactor filtering logic	Add private VisibleColumnNames property Populate the hashset in InternalResetVisibleColumns Refactor GetVisibleColumns to use Contains and reorder predicates	src/BootstrapBlazor/Components/Table/Table.razor.Toolbar.cs src/BootstrapBlazor/Components/Table/Table.razor.cs

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[bb-auto]

Thanks for your PR, @kimdiego2098. Someone from the team will get assigned to your PR shortly and we'll get it reviewed.

[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (21238ea) to head (5ddbe23).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6886   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          739       739           
  Lines        31765     31765           
  Branches      4466      4466           
=========================================
  Hits         31765     31765           

Flag	Coverage Δ
BB	100.00% <100.00%> (?)

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[ArgoZhang]

@sourcery-ai summary