Back-out the breaking part of 1441 from 4_4_x.

n1ql.bucket will continue to be (collection != null ? collection : bucket)
so that queries that referenced n1ql.bucket after being used on collections
will still work.

Closes #1462.

Author: mikereiche

src/main/java/org/springframework/data/couchbase/repository/query/StringBasedN1qlQueryParser.java

@@ -205,7 +205,7 @@ public StringBasedN1qlQueryParser(String bucketName, String scope, String collec
 	 */
 	public N1qlSpelValues createN1qlSpelValues(String bucketName, String scope, String collection, Class domainClass,
 			String typeField, String typeValue, boolean isCount, String[] distinctFields, String[] fields) {
-		String b = bucketName;
+		String b = collection != null ? collection : bucketName;
 		String keyspace = collection != null ? collection : bucketName;
 		Assert.isTrue(!(distinctFields != null && fields != null),
 				"only one of project(fields) and distinct(distinctFields) can be specified");