Bug 22243: Fix unescaped apostrophe in Z target

Bug 22243: Fix unescaped apostrophe in Z target

This patch escapes apostrophes in the z39.50 target name prior to them
being embedded in the template.

To test:

- Create a z39.50 target containing an apostrophe in the title
- Note that the Advanced Cataloguer editor does not load
- Apply the patch
- TEST: Note that the Advanced Cataloguer editor does load

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>