Remove another instance of 'lower'

[eileenmcnaughton]

Overview

Minor tidy up / obscure perfomance enhancement when searching on notes on a contribution

Before

LOWER used

After

LOWER gone

Technical Details

We have removed almost all of these from the code base due to the performance cost
combined with the lack of any upside. Just found another

Comments

[civibot]

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[colemanw]

Adding merge-on-pass based on code review and similarity to other improvements along these same lines.

[seamuslee001]

Merging as per the tag