[jOOQ/jOOQ#13593] transformPatternsTrivialPredicates addition

- Better empty select recognition
- Recognise implicit GROUP BY ()
- Transform trivial [ NOT ] IN predicates with empty subqueries

jOOQ/src/main/java/org/jooq/impl/Patterns.java

@@ -2571,6 +2571,23 @@ package org.jooq.impl;
 
 
 
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