Aperture: Fix QR dialog actions scroll view

Change-Id: Ice863f65db0a8335a9f61c3f438e59aa75fc1971
diff --git a/app/src/main/res/layout/qr_bottom_sheet_dialog.xml b/app/src/main/res/layout/qr_bottom_sheet_dialog.xml
index cce60e8..397c551 100644
--- a/app/src/main/res/layout/qr_bottom_sheet_dialog.xml
+++ b/app/src/main/res/layout/qr_bottom_sheet_dialog.xml
@@ -133,9 +133,10 @@
     </androidx.cardview.widget.CardView>
 
     <HorizontalScrollView
-        android:layout_width="wrap_content"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginTop="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/cardView">