Fix explorer back and session usage selection

app/androidApp/src/main/kotlin/com/example/aiapp/SessionScreen.kt

@@ -1929,7 +1929,9 @@ fun SessionScreen(
     // is the screen's business rather than any row's. See [SessionImageViewer].
     fullImage?.let { ref -> SessionImageViewer(settings, summary.id, ref) { fullImage = null } }
     if (usageOpen) {
-        usageFeed?.let { UsageDialog(feed = it, onDismiss = { usageOpen = false }) }
+        usageFeed?.let {
+            UsageDialog(feed = it, session = summary, onDismiss = { usageOpen = false })
+        }
     }
     if (settingsOpen) {
         // Measured when the dialog opens rather than kept up to date: what the reader is being told