[CORD-965] Fixed Safari bug on Keyboard Shortcut and added tests

Change-Id: Ibaf99ea4eccda47105f6dba149950b55ad7f383c
diff --git a/src/app/core/header/header.ts b/src/app/core/header/header.ts
index 62e3ce9..268fdcd 100644
--- a/src/app/core/header/header.ts
+++ b/src/app/core/header/header.ts
@@ -56,7 +56,7 @@
 
     // listen for keypress
     this.XosKeyboardShortcut.registerKeyBinding({
-      key: 'f',
+      key: 'F',
       description: 'Select search box',
       cb: () => {
         $('.navbar-form input').focus();