Update disk offering count (for listDiskOfferings api) while removing offerings with tags mismatch with storage tags

Author: sureshanaparti

server/src/main/java/com/cloud/api/query/QueryManagerImpl.java

@@ -3675,6 +3675,7 @@ private Pair<List<DiskOfferingJoinVO>, Integer> searchForDiskOfferingsInternal(L
                 String[] offeringTagsArray = (offeringTags == null || offeringTags.isEmpty()) ? new String[0] : offeringTags.split(",");
                 if (!CollectionUtils.isSubCollection(Arrays.asList(requiredTagsArray), Arrays.asList(offeringTagsArray))) {
                     iteratorForTagsChecking.remove();
+                    count--;
                 }
             }
         }