add finalized_block_events in fetch_all_events

[kyoodong]

Description

To collect events in finalize_block_events
Old version does not collect events in finalize_block_events before any ibc message is issued.
Here is the case

• Transfer IBC in EndBlocker
• Wait for hermes and no one send ibc message until timeout time
• Timeout

New version can collect them.
Here is the case

• Transfer IBC in EndBlocker
• Hermes collects event
• Process IBC messages

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PR author checklist:

• Added changelog entry, using unclog.
• Added tests: integration (for Hermes) or unit/mock tests (for modules).
• Linked to GitHub issue.
• Updated code comments and documentation (e.g., docs/).
  • If guide has been updated, tag GitHub user mircea-c
• Tagged one reviewer who will be the one responsible for shepherding this PR.

Reviewer checklist:

• Reviewed Files changed in the GitHub PR explorer.
• Manually tested (in case integration/unit/mock tests are absent).