Add DISTINCT to select id only query

Author: jloux-brapi

src/main/java/org/brapi/test/BrAPITestServer/service/SearchQueryBuilder.java

@@ -21,7 +21,7 @@ public class SearchQueryBuilder<T> {
 
 	public SearchQueryBuilder(Class<T> clazz) {
 		this.selectClause = "SELECT distinct entity FROM " + clazz.getSimpleName() + " entity ";
-		this.selectOnlyIds = "SELECT entity.id FROM " + clazz.getSimpleName() + " entity ";
+		this.selectOnlyIds = "SELECT distinct entity.id FROM " + clazz.getSimpleName() + " entity ";
 		this.whereClause = "WHERE 1=1 ";
 		this.defaultSort = " ORDER BY entity.id ASC ";
 		this.sortClause = "";