fix: bulky error message for invalid search request (#8444)

changelog/unreleased/fix-search-error-message.md

@@ -0,0 +1,6 @@
+Bugfix: Fix search error message
+
+We fixed an error message returned when the search request is invalid
+
+https://github.com/owncloud/ocis/pull/8444
+https://github.com/owncloud/ocis/issues/8442

services/webdav/pkg/service/v0/search.go

@@ -78,7 +78,7 @@ func (g Webdav) Search(w http.ResponseWriter, r *http.Request) {
 		e := merrors.Parse(err.Error())
 		switch e.Code {
 		case http.StatusBadRequest:
-			renderError(w, r, errBadRequest(err.Error()))
+			renderError(w, r, errBadRequest(e.Detail))
 		default:
 			renderError(w, r, errInternalError(err.Error()))
 		}