fix search bar zIndex

ui/snippets/searchBar/SearchBar.tsx

@@ -159,6 +159,7 @@ const SearchBar = ({ isHomepage }: Props) => {
           w={ `${ menuWidth.current }px` }
           ref={ menuRef }
           overflow="hidden"
+          zIndex="modal"
         >
           <PopoverBody
             p={ 0 }

ui/snippets/searchBar/SearchBarInput.tsx

@@ -139,7 +139,7 @@ const SearchBarInput = (
       position={{ base: isHomepage ? 'static' : 'absolute', lg: 'relative' }}
       top={{ base: isHomepage ? 0 : 55, lg: 0 }}
       left="0"
-      zIndex={{ base: isHomepage ? 'auto' : '0', lg: isSuggestOpen ? 'popover' : 'auto' }}
+      zIndex={{ base: isHomepage ? 'auto' : '0', lg: isSuggestOpen ? 'modal' : 'auto' }}
       paddingX={{ base: isHomepage ? 0 : 3, lg: 0 }}
       paddingTop={{ base: isHomepage ? 0 : 1, lg: 0 }}
       paddingBottom={{ base: isHomepage ? 0 : 2, lg: 0 }}