update sdoc version and sdoc translate

Author: shuntian

frontend/package-lock.json

@@ -7,7 +7,7 @@
     "@gatsbyjs/reach-router": "1.3.9",
     "@seafile/react-image-lightbox": "2.0.2",
     "@seafile/resumablejs": "1.1.16",
-    "@seafile/sdoc-editor": "0.4.14",
+    "@seafile/sdoc-editor": "0.4.15",
     "@seafile/seafile-calendar": "0.0.12",
     "@seafile/seafile-editor": "1.0.18",
     "@uiw/codemirror-extensions-langs": "^4.19.4",