Mainly fix the issue caused by template reg not sync to main exec var space, hence in the dvar processing phase, the new var updated value will not be reflected to exec var. This is an edge case happening only in multiple items loop in dvar processing
Mainly fix the issue caused by template reg not sync to main exec var space, hence in the dvar processing phase, the new var updated value will not be reflected to exec var. This is an edge case happening only in multiple items loop in dvar processing