improve ignored-updates dialog sizing and theming

[Gabriel Dufresne (GabrielDuf)]

This pull request updates the appearance and behavior of the ManageIgnoredUpdatesWindow to better align with the rest of the application and improve user experience. The main changes include modernizing the dialog’s styling, persisting its size between sessions, and refining how window focus is handled when dialogs are open.

Window Sizing and Persistence:

• Added logic to restore the window’s last size from user settings and ensure it doesn’t open larger than its owner window. The size is saved only when the window is closed in a non-maximized state.
• Introduced a new settings key IgnoredUpdatesWindowSize to persist the dialog’s size. (SettingsEngine_Names.cs

Behavioral Adjustments:

• Modified the dialog invocation to pass the owner window, enabling correct centering and sizing relative to the parent. (AbstractPackagesPage.axaml.cs src/UniGetUI.Avalonia/Views/SoftwarePages/AbstractPackagesPage.axaml.csL52-R52)
• Improved the inactive Mica overlay logic in the main window so it no longer greys out when a modal dialog is open, keeping the appearance consistent and less distracting. (MainWindow.axaml.cs src/UniGetUI.Avalonia/Views/MainWindow.axaml.csL455-R459)

[Copilot]

Pull request overview

Modernizes the ignored-updates dialog with persistent sizing, owner-relative behavior, and updated Mica theming.

Changes:

• Persists and restores dialog dimensions.
• Refreshes dialog styling and layout.
• Adjusts inactive-window Mica behavior.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
SettingsEngine_Names.cs	Adds the size setting key.
AbstractPackagesPage.axaml.cs	Passes the owner window.
MainWindow.axaml.cs	Adjusts inactive Mica opacity.
ManageIgnoredUpdatesWindow.axaml.cs	Restores and saves dialog size.
ManageIgnoredUpdatesWindow.axaml	Modernizes dialog appearance.

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