Fix the swapped package counts in the page subtitle and make the numbers stand out

[Maxime Landry (mlandry-devolutions)]

• I have read the contributing guidelines, and I agree with the Code of Conduct.
• Have you checked that there aren't other open pull requests for the same changes?
• Have you tested that the committed code can be executed without errors?
• Have you confirmed that this issue is caused by UniGetUI itself, and not by the package manager or the package involved?

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The package page subtitle passed its numbers in the wrong order: with 40 packages and a search that keeps 2, it read "2 packages were found, 40 of which match the specified filters." Once the Filters pane is collapsed it is the only sign that a filter is active, on every package page and in every language.

• Order: {0} is now everything the managers returned and {1} what the filters keep, as the sentence reads.
• Numbers first: the found, matching and selected counts are drawn in semibold in the body text colour; the words and "(Last checked: …)" use TextFillColorSecondaryBrush instead of a 0.6 opacity on the whole line. The translated sentence still decides where the numbers go: each value is wrapped in private-use marks before formatting, and the subtitle is split on them into runs. German, for instance, puts them mid-sentence.
• Accessibility: screen readers get the whole subtitle as one sentence (SubtitleAccessibleText, also used by the list's help text).
• A page suffix (the catalog editor's "Unsaved changes") stays at the end of the line.

No new string. Tested locally in several languages; rendered in English, French and German, light and dark.

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Relates to UNI-38

🤖 Generated with Claude Code

[Copilot]

🟡 Changes recommended

Numeric plural formatting breaks in several languages, and five translations retain incompatible count placeholders.

2 open findings

• Preserve numeric ICU plural selectors in subtitle translations · New
• Fix swapped subtitle placeholders in five translations · New

What changed in this PR

Corrects package-page subtitle counts and makes numbers more prominent while preserving a single accessible sentence.

Changes:

• Corrects total and filtered count argument order.
• Adds semibold count segments with secondary-colour supporting text.
• Provides combined subtitle text for accessibility.

File	Description
src/​UniGetUI.Avalonia/​Views/​SoftwarePages/​AbstractPackagesPage.axaml.cs	Renders styled subtitle segments and sets the accessible name.
src/​UniGetUI.Avalonia/​Views/​SoftwarePages/​AbstractPackagesPage.axaml	Updates subtitle styling and list help-text binding.
src/​UniGetUI.Avalonia/​ViewModels/​SoftwarePages/​PackagesPageViewModel.cs	Corrects count order and separates subtitle segments, details, and accessible text.

🧠 Review effort: Balanced

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