Bug 22524: Fix publication date and year search with Elasticsearch

Bug 22524: Fix publication date and year search with Elasticsearch

Also fixes the mappings.yaml to use correct field name (left over issue from bug 19575), so reset mappings and reindex before testing.

Test plan:
1. Reset mappings and reindex biblios.
2. Check that tests in t/db_dependent/Koha/SearchEngine/Elasticsearch/QueryBuilder.t pass.
3. Try that all of the following year range type work in publication date search and year limit in advanced search:
yyyy
yyyy-yyyy
-yyyy
yyyy-

Signed-off-by: Liz Rea <wizzyrea@gmail.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>