Fix the size of a template downloaded from secondary storage (#10662)

Fixing the size of a template that is downloaded from secondary storage
to StorPool

Author: slavkap

plugins/storage/volume/storpool/src/main/java/org/apache/cloudstack/storage/datastore/driver/StorPoolPrimaryDataStoreDriver.java

@@ -776,7 +776,8 @@ public void copyAsync(DataObject srcData, DataObject dstData, AsyncCompletionCal
 
                         if (answer != null && answer.getResult()) {
                             // successfully downloaded template to primary storage
-                            answer = createVolumeSnapshot(cmd, size, conn, volName, dstTO);
+                            TemplateObjectTO templ = (TemplateObjectTO) ((CopyCmdAnswer) answer).getNewData();
+                            answer = createVolumeSnapshot(cmd, size, conn, volName, templ);
                         } else {
                             err = answer != null ? answer.getDetails() : "Unknown error while downloading template. Null answer returned.";
                         }
@@ -983,7 +984,6 @@ private Answer createVolumeSnapshot(StorageSubSystemCommand cmd, Long size, SpCo
         } else {
             dstTO.setPath(StorPoolUtil.devPath(
                     StorPoolUtil.getSnapshotNameFromResponse(resp, false, StorPoolUtil.GLOBAL_ID)));
-            dstTO.setSize(size);
             answer = new CopyCmdAnswer(dstTO);
         }
         return answer;