fix: avoid wrong stacking order of navigation and search bar

public/typo3conf/ext/ep_theme/Resources/Private/Partials/Mainnav.html

@@ -4,7 +4,7 @@
       xmlns:ep="http://typo3.org/ns/EP/EpTheme/ViewHelpers">
 
     <f:section name="Main">
-        <div class="fixed top-0 left-0 inset-x-0 z-40 lg:relative lg:container bg-white shadow-md lg:shadow-none">
+        <div class="fixed top-0 left-0 inset-x-0 z-40 lg:relative lg:z-50 lg:container bg-white shadow-md lg:shadow-none">
             <div class="flex items-center hover-hover:lg:items-end justify-between px-4 py-2 lg:px-0 lg:pt-4 lg:pb-0">
                 <f:link.typolink parameter="{f:if(condition: settings.logoLink, then: settings.logoLink, else: settings.defaultHomeUid)}"
                                  class="block lg:pb-4"
@@ -99,7 +99,7 @@
     </f:section>
 
     <f:section name="SecondLevel">
-        <div class="absolute top-100 left-0 inset-x-0 pt-4 invisible opacity-0 group-hover:visible group-hover:opacity-100 transition-opacity duration-300 ease-in-out" 
+        <div class="absolute top-100 left-0 inset-x-0 pt-4 z-50 invisible opacity-0 group-hover:visible group-hover:opacity-100 transition-opacity duration-300 ease-in-out"
             aria-hidden="true" 
             aria-labelledby="mainnav-{topitem.data.uid}" 
             data-nav-target="subnav">