Editor: Can't edit game object position from a instanced collection

**Describe the bug (REQUIRED)**
Can't change the position of a game object that's inside a instanced collection.

**To Reproduce (REQUIRED)**
Steps to reproduce the behavior:
1. Create a collection file
2. Add a game object to that collection, add a sprite to it. Make sure positions are 0
3. Add that collection file to the main collection
4. Change the game object position inside the newly added collection

**Expected behavior (REQUIRED)**
Game object should be positioned correctly.

**Defold version (REQUIRED):**
1.2.192

**Platforms (REQUIRED):**
Windows, Steam

**Screenshots (OPTIONAL):**

Setup:


Result: