Fix button alignment Missing top padding if checkin texts are single row (#2826)

Co-authored-by: AlexanderAlferov <64849422+AlexanderAlferov@users.noreply.github.com>

Corona-Warn-App/src/main/res/layout/trace_location_attendee_checkins_item_active.xml

@@ -98,6 +98,13 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <androidx.constraintlayout.widget.Barrier
+        android:id="@+id/button_barrier"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:barrierDirection="bottom"
+        app:constraint_referenced_ids="checkout_info,traceLocationCardHighlightView" />
+
     <com.google.android.material.button.MaterialButton
         android:id="@+id/checkout_action"
         style="@style/Widget.MaterialComponents.Button.OutlinedButton"
@@ -112,6 +119,7 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/checkout_info"
         app:strokeColor="@color/colorAccent" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
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