feat: add admin pool query, boost count, total locked, and vesting event cumulative total

[Akpamgbo]

Description

This PR implements missing query getters and event metrics across the Factory, FarmingPool, and VestingWallet contracts.

Closes #229
Closes #230
Closes #231
Closes #232

Changes proposed

What were you told to do?

• Add get_pools_by_admin query in Factory (No get_pools_by_admin query in Factory #229)
• Add boost_count getter in FarmingPool (No boost configuration count getter in FarmingPool #230)
• Include cumulative total in vesting released event (vesting released event does not include cumulative total #231)
• Add total_locked TVL getter in FarmingPool (No total locked TVL getter in FarmingPool #232)

What did I do?

Factory Contract

• Maintained DataKey::PoolsByAdmin(admin) -> Vec secondary index during pool creation.
• Implemented get_pools_by_admin query and bump_admin_pools keep-alive helper.

FarmingPool Contract

• Added BoostCount tracking in set_boost and exposed boost_count / get_boost_count getters.
• Added TotalLocked tracking across position lock, unlock, emergency withdrawal, and initialization; exposed total_locked / get_total_locked getters.

VestingWallet Contract

• Updated released event payload in release() to publish (beneficiary, releasable, released + releasable).

Check List (Check all the applicable boxes)

• My code follows the code style of this project.
• This PR does not contain plagiarized content.
• The title and description of the PR is clear and explains the approach.
• I am making a pull request against the main branch (left side).
• My commit messages styles matches our requested structure.
• The implementation was reviewed and confirmed to work as intended.
• I am only making changes to files I was requested to.

Screenshots / Validation Evidence

Implemented and verified unit tests in factory/src/test.rs, farming-pool/src/test.rs, and vesting-wallet/src/test.rs.

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