invalid json generated file user-options.json

[mattebit]

From the dashboard, selecting a scenario with the default configuration, except for:

• Target = wild
• protocol = SAML

generates the file scenario-*/frontend/proxy/user-options.json with these errors:

{
		"errors":"ui",
		"extension_file":"./extension/oauth-tester.jar",
		"extension_type":"java",
		"loaded":<oauth-plugin-loaded>, //here
		"name":"OAuth tester",
		"output":"ui"
	},
	{
		"errors":"ui",
		"extension_file":"./extension/SAMLChecks.jar",
		"extension_type":"java",
		"loaded":<saml-plugin-loaded>, //here
		"name":"SAML Checks",
		"output":"ui"
}

Used commit 29bf924