Warn of images outside to current toc scope when using image directive too

[Mpdreamz]

e.g on docs-content this left the following unreported:

Hint: Image '../../../images/security-attack-discovery-settings.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/security/ai/attack-discovery.md]
    │
    │
    └─
 
Hint: Image '../../../images/security-attack-discovery-more-popover.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
     ┌─[/Users/mpdreamz/Projects/docs-content/solutions/security/ai/ai-assistant.md]
     │
     │
     └─
 
Hint: Image '../../../images/security-siem-migration-1.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/security/get-started/automatic-migration.md]
    │
 34 │    :::{image} ../../../images/security-siem-migration-1.png
    ·   ──────────                                               
    ·                                                             
    │
    └─
 
Hint: Image '../../../images/security-siem-migration-processed-rules.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/security/get-started/automatic-migration.md]
    │
    │
    └─
 
Hint: Image '../../../images/security-siem-migration-edit-rule.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
     ┌─[/Users/mpdreamz/Projects/docs-content/solutions/security/get-started/automatic-migration.md]
     │
     │
     └─
 
Hint: Image '../../../images/llm-performance-reliability.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/observability/applications/llm-observability.md]
    │
    │
    └─
 
Hint: Image '../../../images/llm-openai-applications.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/observability/applications/llm-observability.md]
    │
    │
    └─
 
Hint: Image '../../../images/llm-costs-usage-concerns.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/observability/applications/llm-observability.md]
    │
    │
    └─
 
Hint: Image '../../../images/llm-amazon-bedrock-guardrails.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/solutions'.
    ┌─[/Users/mpdreamz/Projects/docs-content/solutions/observability/applications/llm-observability.md]
    │
    │
    └─
 
Hint: Image '/reference/images/observability-apm-app-landing.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/reference/apm'.
    ┌─[/Users/mpdreamz/Projects/docs-content/reference/apm/observability/apm.md]
    │
    │
    └─
 
Hint: Image '/reference/images/security-timeline-object-ui.png' is referenced out of table of contents scope '/Users/mpdreamz/Projects/docs-content/reference/security'.
    ┌─[/Users/mpdreamz/Projects/docs-content/reference/security/fields-and-object-schemas/timeline-object-schema.md]
    │
    │
    └─