Fix query for snapshotting views on DB2/Z (#2712)

DB2/Z: The view definition may only be fetched by the name and creator. The search with PATHSCHEMAS is ambiguous and may lead to multiple results.

Fix issue 2710

liquibase-core/src/main/java/liquibase/sqlgenerator/core/GetViewDefinitionGeneratorDB2.java

@@ -27,7 +27,7 @@ public Sql[] generateSql(GetViewDefinitionStatement statement, Database database
 
         if (database instanceof Db2zDatabase) {
             return new Sql[] {
-                    new UnparsedSql("select STATEMENT AS view_definition from SYSIBM.SYSVIEWS where NAME='" + statement.getViewName() + "' and (PATHSCHEMAS LIKE '%" + schema.getSchemaName() + "%' OR CREATOR = '" + schema.getSchemaName() + "')")
+                    new UnparsedSql("select STATEMENT AS view_definition from SYSIBM.SYSVIEWS where NAME='" + statement.getViewName() + "' and CREATOR = '" + schema.getSchemaName() + "'")
             };
         }
         return new Sql[] {