Fixes #4963, #5064. FileDialog nav fixes & TableView redesign#5062

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Issue-4963-filedialog

Apr 26, 2026

Commits on Apr 21, 2026

Merge branch 'develop' of https://github.com/gui-cs/Terminal.Gui into develop
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Commits on Apr 24, 2026

Commits on Apr 26, 2026

Merge branch 'Issue-4963-filedialog' of github.com:gui-cs/Terminal.Gui into Issue-4963-filedialog
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Fix TableCollectionNavigator: handle null table and null cell values gracefully

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Address code review: clarify NullCellTableSource intent and remove trailing blank line

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Fix ColumnOffset setter: guard for empty column cache when all columns are hidden

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Address code review: improve comment clarity and use Update() in test for robustness

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Disable FileDialog TreeView, fix surrogate pair truncation
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Merge branch 'Issue-4963-filedialog' of github.com:gui-cs/Terminal.Gui into Issue-4963-filedialog
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Enable FileDialog directory tree by default
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Improve FileDialog layout, colors, and column visibility
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