Fixing typos

[nolanerck]

Description

The word "thresholds" was spelled incorrectly in several places in the code. That's been fixed.

Please note that all PRs must have tests attached to them

IMPORTANT: Please review the CONTRIBUTING.md file for detailed contributing guidelines.

Jira Issues

All PRs must have an accompanied Jira issue. Please make sure you created it and linked it here.

Bug Tracker: https://ortussolutions.atlassian.net/jira/software/c/projects/TESTBOX/issues

https://ortussolutions.atlassian.net/browse/TESTBOX-405

Type of change

• [x ] Improvement

Checklist

• [x ] My code follows the style guidelines of this project cfformat
• [ n/a] I have commented my code, particularly in hard-to-understand areas
• [ n/a] I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• [ x] New and existing unit tests pass locally with my changes

[nolanerck]

This is a bigger deal. It looks like there's a compatiblity issue with ACF2023 when enableNullSupport is true (from what I can tell, it's mostly due to the isNull() function not behaving the way it does in Lucee). I'm closing this PR since it's, at best, a band-aid on bigger issue.