renamed claim to open on queue

resources/views/app/patient/partials/mcp-queue.blade.php

@@ -59,7 +59,7 @@
                 <div class="font-weight-bold small text-nowrap text-ellipsis text-secondary">@{{ item.name }}</div>
             </div>
             <button class="btn btn-sm btn-primary mt-1 text-white font-weight-bold py-0 mx-auto d-block"
-                    v-on:click.prevent="claim(item.clientUid)">Claim</button>
+                    v-on:click.prevent="claim(item.clientUid)">Open</button>
         </div>
     </div>
 </div>