Fix ImageViewer metadata tooltips

[zaum]

Improve the ImageViewer toolbar tooltips and metadata presentation.

Changes:

• Add localized tooltips for the copy and background controls.
• Show image MIME and dimension metadata in a native tooltip on middle-button hover.
• Display image width before height.
• Make the metadata tooltip appear immediately on hover.
• Keep all supported ImageViewer translation files complete.

Validation:

• ImageViewer plugin builds successfully with the installed .NET SDK.
• Existing ruleset warning remains: MinimumRecommendedRules.ruleset is unavailable.

Summary by Sourcery

Improve ImageViewer toolbar guidance and image metadata presentation.

New Features:

• Add localized tooltips for ImageViewer copy and background controls.
• Present image MIME and dimension metadata in a native hover tooltip.

Bug Fixes:

• Make ImageViewer metadata appear immediately on hover and consistently order dimensions as width before height.

Enhancements:

• Complete the supported ImageViewer translation resources.

[sourcery-ai]

Reviewer's Guide

Improves ImageViewer toolbar usability by localizing copy/background tooltips and presenting MIME, dimensions, and other metadata in an immediately available native hover tooltip, with width listed before height and translation resources kept complete.

Sequence diagram for ImageViewer metadata hover presentation

sequenceDiagram
    participant User
    participant ImagePanel
    participant MetaProvider
    participant NativeTooltip

    User->>ImagePanel: Hover metadata control
    ImagePanel->>MetaProvider: GetExif()
    MetaProvider-->>ImagePanel: Metadata entries
    ImagePanel->>ImagePanel: ShowMeta()
    ImagePanel->>NativeTooltip: Display formatted metadata
    NativeTooltip-->>User: Show MIME and dimensions immediately

Loading

File-Level Changes

Change	Details	Files
Adds localized toolbar guidance and restructures the metadata display for native hover tooltips.	Loads copy and background tooltip text from the plugin translation resources. Removes click-to-toggle metadata handling in favor of the XAML tooltip behavior. Populates a dedicated metadata tooltip content element and orders dimensions width before height. Hides the metadata indicator when no metadata is available.	QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs
Completes ImageViewer localization resources for the newly exposed tooltip strings and supported languages.	Adds the copy and background translation keys across the supported translation configuration.	QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Translations.config

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[sourcery-ai]

Sourcery assessment

Approved.

[sourcery-ai]

Hey - I've found 1 issue

Prompt for AI Agents

Please address the comments from this code review:

## Individual Comments

### Comment 1
<location path="QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs" line_range="431" />
<code_context>
         });
-        textMeta.Inlines.Remove(textMeta.Inlines.LastInline);
-        if (!textMeta.Inlines.Any())
+        textMetaContent.Inlines.Remove(textMetaContent.Inlines.LastInline);
+        if (!textMetaContent.Inlines.Any())
             MetaIconVisibility = Visibility.Collapsed;
</code_context>
<issue_to_address>
**issue (bug_risk):** `textMetaContent.Inlines.Remove(textMetaContent.Inlines.LastInline)` throws when `Meta.GetExif()` produces no displayable metadata, because `LastInline` is null. Images without EXIF metadata therefore fail while the panel is being constructed instead of simply hiding the metadata icon.

**Triggers:** When the image has no EXIF entries, or all EXIF labels or values are empty.

**Suggested fix:** Only remove the trailing newline when `textMetaContent.Inlines.LastInline` is non-null, or check whether any valid metadata was added before removing it.

```suggestion
        if (textMetaContent.Inlines.LastInline != null)
            textMetaContent.Inlines.Remove(textMetaContent.Inlines.LastInline);
```
</issue_to_address>

Sourcery assessment

Approval pending. 1 finding to address first.

Blocking findings: QuickLook.Plugin/QuickLook.Plugin.ImageViewer/ImagePanel.xaml.cs:431

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