Bug fixes

• #1475 - Can't sort by all standard field properties in children API endpoint
• #1482 - status.code property value should be lowercase
• #1483 - Sort_Order parameter is always appended to page_info response
• #1486 - News Item keyword throws PHP notice
• #1487 - Password generator generates too-short passwords when password rules have restrictions for all character classes
• #1490 - Password Rules Config screen's "Character Rules" section is broken
• #1527 - Decision Tree asset deleting question asset link when put to Safe Edit