Add missing tooltips (#444)

src/components/util/AppbarSearch.tsx

@@ -8,9 +8,10 @@
 
 import React, { useState, useEffect } from 'react';
 import SearchIcon from '@mui/icons-material/Search';
-import { IconButton, Input } from '@mui/material';
+import { IconButton, Input, Tooltip } from '@mui/material';
 import CancelIcon from '@mui/icons-material/Cancel';
 import { useQueryParam, StringParam } from 'use-query-params';
+import { useTranslation } from 'react-i18next';
 
 interface IProps {
     autoOpen?: boolean;
@@ -21,6 +22,8 @@ const defaultProps = {
 };
 
 export const AppbarSearch: React.FunctionComponent<IProps> = (props) => {
+    const { t } = useTranslation();
+
     const { autoOpen } = props;
     const [query, setQuery] = useQueryParam('query', StringParam);
     const [searchOpen, setSearchOpen] = useState(!!query);
@@ -83,9 +86,11 @@ export const AppbarSearch: React.FunctionComponent<IProps> = (props) => {
     }
 
     return (
-        <IconButton onClick={openSearch}>
-            <SearchIcon />
-        </IconButton>
+        <Tooltip title={t('search.title.search')}>
+            <IconButton onClick={openSearch}>
+                <SearchIcon />
+            </IconButton>
+        </Tooltip>
     );
 };