Fixes #6996: Make search bar full width on small screens

netbox/templates/base/layout.html

@@ -33,7 +33,7 @@
                   <span class="navbar-toggler-icon"></span>
                 </button>
               </div>
-              <div class="d-flex my-1 flex-grow-1 justify-content-center">
+              <div class="d-flex my-1 flex-grow-1 justify-content-center w-100">
                 {% search_options %}
               </div>
             </div>