Fixed for https://github.com/digitalutsc/advanced_search/issues/4

[kylehuynh205]

What does this Pull Request do?

• It's a fix for this issue: [BUG] Boolean search doesn't produce accurate results.  #43
• In the use case of boolean search, one condition is Keyword and one condition is Field search, as screenshot below.

• The search is ignoring the field search condition and searches as Keyword only.

What's new?

There is no new functionality to be added. Only add a if check to handle boolean search which is mixed with Keyword and field.

How should this be tested?

• Apply boolean search with mixed Keyword and Field Search:

• Before this PR show 41 results,

https://sandbox.islandora.ca/search?a%5B0%5D%5Bf%5D=all&a%5B0%5D%5Bi%5D=IS&a%5B0%5D%5Bv%5D=%22wild%20flowers%22&a%5B1%5D%5Bc%5D=AND&a%5B1%5D%5Bf%5D=title_aggregated_fulltext&a%5B1%5D%5Bi%5D=IS&a%5B1%5D%5Bv%5D=Excerpt

• After PR it show 1 results:

Documentation Status

No needed Documentation.

Additional Notes:

N/A

Interested parties

@Islandora/committers

[rosiel]

Works. I replicated the issue on my own data and this fixes the issue.