Bug 34106: Retain searchtype parameter in member-search-box

Bug 34106: Retain searchtype parameter in member-search-box

To test:

1. In the main search header switch to 'Search patrons'. Bring up the dropdown and look at 'Search type:'.
2. It defaults to 'Starts with'.
3. Go to '/cgi-bin/koha/members/members-home.pl' and look at the 'Search type:' on the left side.
4. It defaults to 'Contains'
5. Do a patron search from both these places, setting the 'Search type' to contains.
6. The search bar in the header always resets to 'Starts with'
7. Apply patch
8. Try everything again. By default both places should default to contain.
9. If you change the 'Search type' the search in the main header should always retain that value.

Signed-off-by: Ed Veal <eveal@mckinneytexas.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>