fix #1480 - ToCamelCase broken for a single word with multiple upperc…

[moderndev]

Description

potential fix for #1480

ToCamelCase() was lowercasing complex words with multiple uppercase characters eg. DueDate would become duedate, rather than dueDate (which it previously did from 106.10.1 and below)

Purpose

This pull request is a:

• [x ] Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

• [ x] I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)