Bug 11554 Capitalization fix in patron account on fines tab

Works as described.

To test: Create patron account with outstanding fines. Open "Fines" tab.
Confirm that capitalization is correct.

Sponsored-by: Hochschule für Gesundheit (hsg), Germany
Signed-off-by: Chris Cormack <chris@bigballofwax.co.nz>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
String patch.

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>