feat(search): add autofocus to search input and emit focus event on shortcut

- Added autofocus attribute to the search input field for improved user experience.
- Updated global shortcut handling to emit a "focus-search" event when the shortcut is triggered, enhancing the application's responsiveness to user actions.
- Updated dependencies in Cargo.toml to specific beta versions for better compatibility.

frontend/src/App.tsx

@@ -141,6 +141,7 @@ function App() {
                             value={searchQuery()}
                             onInput={onInputChange}
                             placeholder="Search for stuff..."
+                            autofocus
                             class="appearance-none inline-flex w-full min-h-[40px] text-base bg-transparent rounded-l-md outline-none placeholder:text-gray-600"
                         />
                     </div>