fix typescript error

Author: jooy2

src/renderer/screens/About.tsx

@@ -14,7 +14,7 @@ const About = () => {
   const author = useMemo(() => getAuthor(), []);
 
   return (
-    <Layout title={t('about-title')} withBackButton>
+    <Layout title={t('about-title') as string} withBackButton>
       <Grid item xs={12}>
         <Paper css={paperBase}>
           <img draggable="false" alt="logo" src="images/flaru-logo.webp" />

src/renderer/screens/Explorer.tsx

@@ -119,7 +119,7 @@ const Explorer = ({ ConfigActions, config }) => {
   }, []);
 
   return (
-    <Layout header={!loading} center={loading} title={t('main-title')}>
+    <Layout header={!loading} center={loading} title={t('main-title') as string}>
       <Grid
         item
         xs={12}

src/renderer/screens/Settings.tsx

@@ -114,7 +114,7 @@ const Settings = ({ config, ConfigActions }) => {
   };
 
   return (
-    <Layout title={t('menu:settings')} withBackButton>
+    <Layout title={t('menu:settings') as string} withBackButton>
       <Grid
         item
         xs={12}