Add indexTitle, alternativeTitles, series to keyword search index

Charlotte: hollyolepm - this would also be something the bugfest testers would find. Can we pul it in as a Juniper Bugfest ticket?

Overview: The keyword search index contains the title field, but not the indexTitle, alternativeTitles, series fields.

Steps to Reproduce:

1. Create an instance with these fields:
2. title = xyza
3. alternative title (other title) = xyzb
4. index title = xyzc
5. series statements = xyzd
6. Use the "Title (all)" search
7. When using one of xyza, xyzb, xyzc, xyzd the instance is found.
8. Use the "Keyword (title, contributor, identifier)" search
9. When using xyza the instance is found.
10. Use one of xyzb, xyzc, xyzd

Expected Results:

The instance is found.

Actual Results:

The instance is not found.

Additional Information:

https://github.com/folio-org/mod-inventory-storage/blob/v20.1.0/src/main/resources/templates/db_scripts/schema.json defines the keyword and allTitles indexes as follows:

{
  "fieldName": "keyword",
  "multiFieldNames": "title,contributors[*].name,identifiers[*].value"
},
{
  "fieldName": "allTitles",
  "multiFieldNames": "title,indexTitle,alternativeTitles[*].alternativeTitle,series"
},

Required change for the keyword index:

{
  "fieldName": "keyword",
  "multiFieldNames": "title,indexTitle,alternativeTitles[*].alternativeTitle,series,contributors[*].name,identifiers[*].value"
},

This is a very easy fix.