#JMAP Convert JMAP Query object to JS predicate function

[shadowbas]

Implement a utility that transforms a JMAP Query object into a JavaScript predicate function.

• Input: JMAP Query object makeJMAPPredicate(object)
• Output: (item) => boolean predicate
• Must support comparison, text search, and logical operators
• Must have tests

Uses the JMAP query that is the result of parsing FTS5 query string. #1733