add lightbox and fix aad sensitive identifier

Author: austinmccollum

articles/sentinel/entity-pages.md

@@ -65,7 +65,7 @@ The following types of items are included in the timeline.
 
 - **Activities**: aggregation of notable events relating to the entity. A wide range of activities are collected automatically, and you can now [customize this section by adding activities](customize-entity-activities.md) of your own choosing.
 
-:::image type="content" source="./media/entity-pages/entity-pages-timeline-sentinel.png" alt-text="Screenshot of an example of a timeline on an entity page in the Azure portal.":::
+:::image type="content" source="./media/entity-pages/entity-pages-timeline-sentinel.png" alt-text="Screenshot of an example of a timeline on an entity page in the Azure portal." lightbox="./media/entity-pages/entity-pages-timeline-sentinel.png":::
 
 # [Defender portal](#tab/defender-portal)
 
@@ -83,7 +83,7 @@ The following types of items are included in the timeline.
 
 - **Activities**: aggregation of notable events relating to the entity. A wide range of activities are collected automatically, and you can now [customize this section by adding activities](customize-entity-activities.md) of your own choosing.
 
-:::image type="content" source="./media/entity-pages/entity-pages-timeline-defender.png" alt-text="Screenshot of an example of a timeline on an entity page in the Defender portal.":::
+:::image type="content" source="./media/entity-pages/entity-pages-timeline-defender.png" alt-text="Screenshot of an example of a timeline on an entity page in the Defender portal." lightbox="./media/entity-pages/entity-pages-timeline-defender.png":::
 
 This timeline displays information from the past 24 hours. This period is not currently adjustable.