add selection of certain fields with populate

packages/app/src/server/models/revision.js

@@ -91,7 +91,7 @@ module.exports = function(crowi) {
   };
 
   revisionSchema.statics.findLatestRevisionByPathPopulatedWithAuthor = async function(path) {
-    return (await this.find({ path }).sort({ createdAt: -1 }).limit(1).populate('author'))[0];
+    return (await this.find({ path }).sort({ createdAt: -1 }).limit(1).populate('author', 'name createdAt imageUrlCached'))[0];
   };
 
   return mongoose.model('Revision', revisionSchema);