feat: added sequencer set polling and consensus msgs queue

[keruch]

PR Standards

ADR links

1. https://www.notion.so/dymension/ADR-x-Sequencer-Reward-Address-On-Rollapp-da84af6888c141d0a4c1a8df256a5025
2. https://www.notion.so/dymension/ADR-Whitelisted-Relayer-Fee-Exemption-in-Rollapp-104a4a51f86a80e8ad94c916c87deb17

Closes
dymensionxyz/dymension#1248
dymensionxyz/dymension#1226
#1153
#1125

For Author:

• Targeted PR against correct branch
• included the correct type prefix in the PR title
• Linked to Github issue with discussion and accepted design
• Targets only one github issue
• Wrote unit and integration tests
• All CI checks have passed
• Added relevant godoc comments

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For Reviewer:

• confirmed the correct type prefix in the PR title
• Reviewers assigned
• confirmed all author checklist items have been addressed

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After reviewer approval:

• In case targets main branch, PR should be squashed and merged.
• In case PR targets a release branch, PR should be rebased.

The base branch was changed.