Search: Fix local storage key (#40127) (#40130)

* Default to 'General' if no folder title is present

* Add bottom padding

(cherry picked from commit 5c7e874008)

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

public/app/features/search/components/DashboardSearch.tsx

@@ -96,6 +96,7 @@ const getStyles = stylesFactory((theme: GrafanaTheme) => {
       display: flex;
       flex-direction: column;
       height: 100%;
+      padding-bottom: 24px;
     `,
   };
 });

public/app/features/search/utils.ts

@@ -227,10 +227,7 @@ export const getSectionIcon = (section: DashboardSection): IconName => {
  * Get storage key for a dashboard folder by its title
  * @param title
  */
-export const getSectionStorageKey = (title: string) => {
-  if (!title) {
-    return '';
-  }
+export const getSectionStorageKey = (title = 'General') => {
   return `${SECTION_STORAGE_KEY}.${title.toLowerCase()}`;
 };