refactor: Replace MinimumStake with MinimumTotalStake in creator-staking pallet

[F3Joule]

Release notes

• When staking, the MinimumTotalStake in the staking system is considered instead of MinimumStake per creator.
• When moving stake, the individual per creator stake should just remain more than zero.
• There may be known issues when trying to unstake, if it will result to going bellow MinimumTotalStake; still doable with move + batch unstake.

Release Checklist

• Verify spec_version has been incremented since the last release.
• Verify pallet and extrinsic ordering has stayed the same. Bump transaction_version if not.
• Verify new extrinsics have been correctly whitelisted/blacklisted for BaseCallFilter
• There are benchmarks for newly created extrinsics
• Verify weights have been updated for any modified runtime logic
• There are tests for newly created logic.
• All the tests pass.
• Ensure migrations run correctly

[F3Joule]

Metadata comparison check (extrinsics ordering) results:

Metadata comparison:
Date: Fri  2 Feb 2024 15:31:48 EET
Reference: wss://para.subsocial.network
Target version: subsocial-collator 0.2.2-bac7a0398e0
Chain: dev
----------------------------------------------------------------------
              [Spec] name: subsocial-parachain
                     spec_version: 38 -> 39
                     transaction_version: 8
          [Metadata] version: 14
           [Modules] num: 38
                          [System] idx: 0 (calls: 8, storage: 17)
                 [ParachainSystem] idx: 1 (calls: 4, storage: 22)
                       [Timestamp] idx: 3 (calls: 1, storage: 3)
                        [Balances] idx: 10 (calls: 6, storage: 6)
                        [Treasury] idx: 12 (calls: 5, storage: 5)
               [CollatorSelection] idx: 21 (calls: 5, storage: 6)
                         [Session] idx: 22 (calls: 2, storage: 8)
                         [Vesting] idx: 26 (calls: 5, storage: 3)
                           [Proxy] idx: 27 (calls: 10, storage: 3)
                        [Multisig] idx: 29 (calls: 4, storage: 2)
                       [XcmpQueue] idx: 30 (calls: 9, storage: 11)
                     [PolkadotXcm] idx: 31 (calls: 10, storage: 12)
                        [DmpQueue] idx: 33 (calls: 1, storage: 6)
                         [Domains] idx: 60 (calls: 9, storage: 8)
                          [Energy] idx: 61 (calls: 2, storage: 4)
                       [FreeProxy] idx: 62 (calls: 1, storage: 2)
                  [CreatorStaking] idx: 63 (calls: 14, storage: 13)
                    [EvmAddresses] idx: 64 (calls: 2, storage: 3)
             [ResourceDiscussions] idx: 65 (calls: 2, storage: 2)
                           [Roles] idx: 71 (calls: 8, storage: 6)
                  [AccountFollows] idx: 72 (calls: 3, storage: 4)
                        [Profiles] idx: 73 (calls: 3, storage: 2)
                    [SpaceFollows] idx: 74 (calls: 3, storage: 4)
                  [SpaceOwnership] idx: 75 (calls: 3, storage: 2)
                          [Spaces] idx: 76 (calls: 4, storage: 4)
                     [PostFollows] idx: 77 (calls: 2, storage: 4)
                           [Posts] idx: 78 (calls: 6, storage: 6)
                       [Reactions] idx: 79 (calls: 6, storage: 5)
                            [Sudo] idx: 255 (calls: 4, storage: 2)

------------------------------ SUMMARY ------------------------------- 
⚠️ This filter is here to help spotting changes that should be reviewed carefully. 
⚠️ It catches only index changes, deletions and value decreases. 
## Deletions
 n/a 
## Index changes
 n/a
## Decreases
 n/a
----------------------------------------------------------------------

[F3Joule]

Try runtime results:

initialized state externalities with storage root 0xdbf8d8bf3766ecf0afed1dd0e410bf26ccaba98e5b266318c9b854b5213b7511 and state_version V0
original spec: RuntimeString::Owned("subsocial-parachain")-38, code hash: 71d9eed8a1448bb81e6bcb1b78973f541c61c662fb8f506e832c44d7d6756636
new spec: RuntimeString::Owned("subsocial-parachain")-39, code hash: 81cc426660f8ab9b033fffa5004b71a35c5d42648e9229667904a4b36a55ffff
⚠️ ParachainSystem declares internal migrations (which *might* execute). On-chain `StorageVersion(2)` vs current storage version `StorageVersion(2)`
⚠️ XcmpQueue declares internal migrations (which *might* execute). On-chain `StorageVersion(3)` vs current storage version `StorageVersion(2)`
⚠️ PolkadotXcm declares internal migrations (which *might* execute). On-chain `StorageVersion(0)` vs current storage version `StorageVersion(1)`
⚠️ DmpQueue declares internal migrations (which *might* execute). On-chain `StorageVersion(2)` vs current storage version `StorageVersion(1)`
TryRuntime_on_runtime_upgrade executed without errors. Consumed weight = (200000000 ps, 0 byte), total weight = (500000000000 ps, 5242880 byte) (0.04 %, 0.00 %).