QrCode Detail Screen - UI Adaption (DEV) (#2778)

Co-authored-by: harambasicluka <64483219+harambasicluka@users.noreply.github.com>

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

@@ -61,9 +61,10 @@
 
                     <TextView
                         android:id="@+id/subtitle"
-                        android:layout_width="wrap_content"
+                        android:layout_width="match_parent"
                         android:layout_height="wrap_content"
                         android:layout_gravity="center"
+                        android:layout_marginHorizontal="24dp"
                         android:layout_marginBottom="8dp"
                         android:gravity="center"
                         android:textColor="@android:color/white"