Fix to the assign dynaforms in steps by the processmap interface.
Fix to the assign dynaforms in steps by the processmap interface.

tomolimo/processmaker-server,colosa/processmaker,hitsumabushi/processmaker,baozhoutao/processmaker,baozhoutao/processmaker,colosa/processmaker,baozhoutao/processmaker,colosa/processmaker,tomolimo/processmaker-server,hitsumabushi/processmaker,hitsumabushi/processmaker,hitsumabushi/processmaker,colosa/processmaker,baozhoutao/processmaker,hitsumabushi/processmaker,baozhoutao/processmaker,tomolimo/processmaker-server,colosa/processmaker,tomolimo/processmaker-server,hitsumabushi/processmaker,tomolimo/processmaker-server,colosa/processmaker,baozhoutao/processmaker,tomolimo/processmaker-server