Fix/response pane optimizations (#6395)

* refactor: update content type detection to use base64 decoding

* fix: some styling issues and autofocus issues in input resolved

* refactor: enhance ResponsePane and QueryResult components for improved response handling and size display

* refactor: simplify size display logic in ResponseSize component

* refactor: improve size formatting logic in ResponseSize component for better readability

* refactor: enhance base64 decoding function to handle invalid input and improve error handling

packages/bruno-app/src/components/SearchInput/index.js

@@ -34,6 +34,7 @@ const SearchInput = ({
         spellCheck="false"
         className="block w-full pl-7 py-2 rounded-md"
         value={searchText}
+        autoFocus
         onChange={handleChange}
         {...props}
       />