Fix delete entry test by scrolling to off-screen button

The new reflection section pushed the delete button below the fold
in the entry detail sheet, causing the tap to miss.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Tests iOS/Screens/EntryDetailScreen.swift

@@ -37,6 +37,10 @@ struct EntryDetailScreen {
 
     func deleteEntry() {
         let button = deleteButton
+        // Scroll down to reveal delete button (may be off-screen below reflection/notes/photo sections)
+        if button.waitForExistence(timeout: 3) && !button.isHittable {
+            sheet.swipeUp()
+        }
         button.tapWhenReady(timeout: 5)
 
         let alert = app.alerts.firstMatch