fix(ios): guard source property and removed NSNull if it is nil

[vijaysingh-axway]

https://jira.appcelerator.org/browse/TIMOB-27354

[build]

	Messages
📖	💾 Here's the generated SDK zipfile.
📖	✅ All tests are passing Nice one! All 4040 tests are passing. (There are 475 skipped tests not included in that total)
📖	✊ The commits in this PR match our conventions! Feel free to Rebase and Merge this PR when ready.

Generated by 🚫 dangerJS against 9ccecc9

[sgtcoolguy]

LGTM

[ssaddique]

FR Failed undefined still showing as before

Tested using the test apps (First and Second) and test steps mentioned here

See screenshot below

Test Environment

MacOS Mojave 10.14.6
Xcode 11
Node 10.16.3
iPhone 11 Pro Sim(13.0)
{"NPM":"4.2.15","CLI":"7.1.1"}

[lokeshchdhry]

@Expergefactor , Did you use :

Ti.App.iOS.addEventListener("handleurl", function () {
	alert("Second app on resume from url : " + Ti.App.getArguments().url);
});

In your alloy.js in both apps ?

[ssaddique]

@Expergefactor , Did you use :

Ti.App.iOS.addEventListener("handleurl", function () {
	alert("Second app on resume from url : " + Ti.App.getArguments().url);
});

In your alloy.js in both apps ?

I have used the updated code in both apps. I can confirm that the updated code works.

FR Passed