fix(marketplace): Reduce margin between search bar and chips to 20px (#9748)

- fix #8955 

Reduce the margin between the search bar and chips from 24px to 20px.

autogpt_platform/frontend/src/components/agptui/SearchBar.tsx

@@ -44,7 +44,7 @@ export const SearchBar: React.FC<SearchBarProps> = ({
     <form
       onSubmit={handleSubmit}
       data-testid="store-search-bar"
-      className={`${width} ${height} px-4 py-2 md:px-6 md:py-1 ${backgroundColor} flex items-center justify-center gap-2 rounded-full md:gap-5`}
+      className={`${width} ${height} px-4 pt-2 md:px-6 md:pt-1 ${backgroundColor} flex items-center justify-center gap-2 rounded-full md:gap-5`}
     >
       <MagnifyingGlassIcon className={`h-5 w-5 md:h-7 md:w-7 ${iconColor}`} />
       <input

autogpt_platform/frontend/src/components/agptui/composite/HeroSection.tsx

@@ -36,7 +36,7 @@ export const HeroSection: React.FC = () => {
         <h3 className="mb:text-2xl mb-6 text-center font-sans text-xl font-normal leading-loose text-neutral-700 dark:text-neutral-300 md:mb-12">
           Bringing you AI agents designed by thinkers from around the world
         </h3>
-        <div className="mb-4 flex justify-center sm:mb-5 md:mb-6">
+        <div className="mb-4 flex justify-center sm:mb-5">
           <SearchBar height="h-[74px]" />
         </div>
         <div>