Do not change the DDname to page set association

WebSphere MQ associates page set number 00 with DDname CSQP0000, page set number 01 with DDname CSQP0001, and so on up to CSQP0099. WebSphere MQ writes recovery log records for a page set based on the DDname that the page set is associated with. For this reason, not move page sets that have already been associated with a PSID DDname.