Latest version breaks ability to address objects declared in Enviroment

**Describe the bug**
With version 2020.2.2 can't access objects in arrays

{
"test": [
{
"a": 1
},
{
"b": 1
}
],
"aa": {{ test[0].a }},

**To Reproduce**
Steps to reproduce the behavior:
1. Declare an object in Base Environment with array of objects
2. Refer to it in the body of a request or in the environment
3. Not possible to refer to a property of this object

**Expected behavior**
This was working in version 7.1.x

**Screenshots**
attached

**Desktop (please complete the following information):**
- OS: Windows 10
- Installation Method: .exe
- App Version [e.g. v2020.2.2]

**Additional context**

Reproduce the issue using a Base Environment value containing an array of objects, then reference a nested property such as {{ test[0].a }} in a request or environment. Compare the behavior with version 7.1.x and confirm that array-object properties can again be addressed in version 2020.2.2 and later.

Written by the indexing model from the issue text.