[BUG] GetBlocks `pageParams` adds 1 additional item

[andrewnguyen22]

Describe the bug

The page params for getBlocks adds 1 additional item due to the metadata collection design for the final block.

Ex. PerPage=10

Result: perPage=11

Steps to reproduce

Steps to reproduce the behavior:

1. Query getBlocks via rpc or cli
2. Set perPage
3. Witness an additional item over perPage

Expected behavior

PerPage should remain unchanged

Environment

• Software Version: alpha-0.0.1

Required Tags

• Priority: Low
• Module: Store