fix: adjust dialog action button variant

src/components/setting/mods/config-viewer.tsx

@@ -64,7 +64,9 @@ const ConfigViewer = () => {
         </DialogContent>
 
         <DialogActions>
-          <Button onClick={() => setOpen(false)}>{t("Back")}</Button>
+          <Button variant="outlined" onClick={() => setOpen(false)}>
+            {t("Back")}
+          </Button>
         </DialogActions>
       </Dialog>
 

src/components/setting/mods/web-ui-viewer.tsx

@@ -145,7 +145,9 @@ const WebUIViewer = ({ handler, onError }: Props) => {
       </DialogContent>
 
       <DialogActions>
-        <Button onClick={() => setOpen(false)}>{t("Back")}</Button>
+        <Button variant="outlined" onClick={() => setOpen(false)}>
+          {t("Back")}
+        </Button>
       </DialogActions>
     </Dialog>
   );

src/components/setting/setting-theme.tsx

@@ -142,7 +142,9 @@ const SettingTheme = (props: Props) => {
       </DialogContent>
 
       <DialogActions>
-        <Button onClick={onClose}>{t("Cancel")}</Button>
+        <Button variant="outlined" onClick={onClose}>
+          {t("Cancel")}
+        </Button>
         <Button onClick={onSave} variant="contained">
           {t("Save")}
         </Button>