Separate out sort() to orderBy()

[emteknetnz]

DataList Sort() and other ORM method should be split out so that the regular Sort() method cannot accept raw SQL. The new orderBy() and other methods are explicitly designed to accept raw sql

ACs

• Create new methods
• Review existing usage of the methods and, if possible, stop using raw sql. If required, use new Raw() methods.

New issues created

• Change calls in DataObject::get() and get_one() from DataList::where() to filter() #10601

Installer CI

• https://github.com/emteknetnz/silverstripe-installer/actions/runs/3634363256

PRs

• API Create orderBy() method to handle raw SQL #10600
• FIX Ensure sort is not empty silverstripe-versioned#385
• FIX Use orderBy() instead of sort() silverstripe-cms#2804
• DOC DataList::sort() and orderBy() developer-docs#123

[GuySartorelli]

All PRs merged.