server/v2: integration tests

[tac0turtle]

begin a spike of the bank module for integration tests to get an understanding of the changes needed then based on the changes we can evaluate what needs to be done for the other tests.

An intergration v2 framework has been created (#21912). Now modules should be migrated.

Tasks

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1. bank (test(integration): port x/bank tests to server/v2 app #21912)
2. auth (refactor(tests): Port auth integration tests to server v2 #22554)
3. authz
4. feegrant
5. gov
6. staking
7. x/slashing: server/v2 integration tests #22716
   C:server/v2 T: Tests +2
   
8. upgrade
9. accounts
10. distribution (refactor(tests/integration): Port distribution integration tests to server v2 #22667)
11. evidence (test(integration): port x/evidence tests to server v2 #22709)
12. mint
13. nft
14. protocol pool