fix: reuse existing hydratedPopulatedDocs option re: #14503

Author: vkarpov15

lib/model.js

@@ -3959,8 +3959,7 @@ Model.hydrate = function(obj, projection, options) {
     obj = applyProjection(obj, projection);
   }
   const document = require('./queryHelpers').createModel(this, obj, projection);
-  options = options || {};
-  document.$init(obj, { ...options, hydrate: true });
+  document.$init(obj, options);
   return document;
 };
 

lib/schema.js

@@ -2317,7 +2317,7 @@ Schema.prototype.virtual = function(name, options) {
             _v == null ? [] : [_v];
         }
 
-        if (opts?.hydrate && !options.count) {
+        if (opts?.hydratedPopulatedDocs && !options.count) {
           const modelNames = virtual._getModelNamesForPopulate(this);
           const populatedVal = this.$$populatedVirtuals[name];
           if (!Array.isArray(populatedVal) && !populatedVal.$__ && modelNames?.length === 1) {

test/model.hydrate.test.js

@@ -153,7 +153,9 @@ describe('model', function() {
 
       const populated = await User.findOne({ name: 'Alex' }).populate(['stories', 'storiesCount']).lean();
       const hydrated = User.hydrate(
-        JSON.parse(JSON.stringify(populated))
+        JSON.parse(JSON.stringify(populated)),
+        null,
+        { hydratedPopulatedDocs: true }
       );
 
       assert.equal(hydrated.stories[0]._id.toString(), story1._id.toString());