fix: Array indent doesn't work properly inside another array

[p-spacek]

What does this PR do?

Array indent doesn't work properly inside another array.

Screen.Recording.2022-01-04.at.00.33.13.mov

schema:

{
  "definitions": {
    "arrayIndent": {
      "type": "object",
      "properties": {
        "examples": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "objectWithArray": {
                "type": "array",
                "items": {
                  "type": "object",
                  "required": ["item", "item2"],
                  "properties": {
                    "item": { "type": "string" },
                    "item2": { "type": "string" }
                  }
                }
              }
            }
          }
        }
      }
    }
  },
  "type": "object"
}

yaml

arrayIndent:
  examples:
    - 

arrayIndent:
  examples:
    - objectWithArray:
        - item: 
        item2: # there should be the same indent

What issues does this PR fix or reference?

no ref

Is it tested? How?

UT

[coveralls]

Coverage decreased (-0.03%) to 79.558% when pulling bbbf878 on p-spacek:fix/array-indent into af7d0c3 on redhat-developer:main.