System capability manager - Passing null in _createDeprecatedDisplayCapabilities

[crokita]

Bug Report

The SystemCapabilityManager._createDeprecatedDisplayCapabilities method sets image fields and text fields for the created DisplayCapability struct. There is a possibility of passing in null, which causes an error in the library.

Reproduction Steps

1. Create a DisplayCapabilities struct
2. Set setTextFields or setImageFields to null

Expected Behavior

Null if checks should be set and prevent the code from being ran

Observed Behavior

The code is ran and an error happens

Browser & Version Information

All versions are affected