tweak widget layouts for mobile

src/components/widgets/search/search.jsx

@@ -51,7 +51,7 @@ export default function Search({ options }) {
   }
 
   return (
-    <form className="flex-col relative h-8 my-4 min-w-full md:min-w-fit grow" onSubmit={handleSubmit}>
+    <form className="flex-col relative h-8 my-4 min-w-full md:min-w-fit grow mr-4" onSubmit={handleSubmit}>
       <div className="flex absolute inset-y-0 left-0 items-center pl-3 pointer-events-none w-full text-theme-800 dark:text-white" />
       <input
         type="text"