Merge pull request #735 from TechnologyEnhancedLearning/Develop/Fixes/TD-4194-DIG1302-Focus-order-is-incorrect-or-illogical

TD-4194:DIG1302: Focus order is incorrect or illogical

Author: Swapnamol

LearningHub.Nhs.WebUI/Views/Shared/_NavPartial.cshtml

@@ -56,7 +56,7 @@
             <svg class="nhsuk-icon nhsuk-icon__close" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false" width="27" height="27">
               <path d="M13.41 12l5.3-5.29a1 1 0 1 0-1.42-1.42L12 10.59l-5.29-5.3a1 1 0 0 0-1.42 1.42l5.3 5.29-5.3 5.29a1 1 0 0 0 0 1.42 1 1 0 0 0 1.42 0l5.29-5.3 5.29 5.3a1 1 0 0 0 1.42 0 1 1 0 0 0 0-1.42z"></path>
             </svg>
-            <span class="nhsuk-u-visually-hidden">Close menu</span>
+            <span class="nhsuk-u-visually-hidden" tabindex="-1">Close menu</span>
           </button>
         </p>
         <ul class="nhsuk-header__navigation-list @BasicUserPaddingClass()">