refactor: improve ProcessSpecialTxsInBlock's readability a bit - #6768

Potential conflicts detected!

{ pull_number: 6768, conflictPrs: [ { number: 6446, files: [ 'src/coinjoin/client.cpp', 'src/coinjoin/server.cpp', 'src/evo/assetlocktx.cpp', 'src/evo/cbtx.cpp', 'src/evo/deterministicmns.cpp', 'src/evo/deterministicmns.h', 'src/evo/mnauth.cpp', 'src/evo/mnhftx.cpp', 'src/evo/simplifiedmns.cpp', 'src/governance/governance.cpp', 'src/governance/object.cpp', 'src/governance/vote.cpp', 'src/llmq/blockprocessor.cpp', 'src/llmq/blockprocessor.h', 'src/llmq/ehf_signals.cpp', 'src/llmq/instantsend.cpp', 'src/llmq/instantsend.h', 'src/llmq/quorums.cpp', 'src/llmq/quorums.h', 'src/llmq/signing.cpp', 'src/llmq/signing_shares.cpp', 'src/llmq/signing_shares.h', 'src/llmq/snapshot.cpp', 'src/llmq/utils.cpp', 'src/masternode/node.cpp', 'src/masternode/payments.cpp', 'src/net.cpp', 'src/net_processing.cpp', 'src/qt/masternodelist.cpp', 'src/qt/rpcconsole.cpp', 'src/rpc/evo.cpp', 'src/rpc/governance.cpp', 'src/rpc/masternode.cpp', 'src/rpc/quorums.cpp', 'src/test/evo_deterministicmns_tests.cpp', 'src/txmempool.cpp', 'src/validation.cpp' ], conflicts: [ 'src/evo/cbtx.cpp' ] }, { number: 6707, files: [ 'src/evo/specialtxman.cpp', 'src/llmq/blockprocessor.cpp', 'src/llmq/blockprocessor.h', 'src/logging.cpp', 'src/net.cpp' ], conflicts: [ 'src/evo/specialtxman.cpp' ] }, { number: 6743, files: [ 'src/bls/bls_worker.cpp', 'src/coinjoin/client.cpp', 'src/coinjoin/coinjoin.cpp', 'src/coinjoin/interfaces.cpp', 'src/coinjoin/server.cpp', 'src/coinjoin/util.cpp', 'src/dsnotificationinterface.cpp', 'src/evo/chainhelper.cpp', 'src/evo/deterministicmns.cpp', 'src/evo/dmnstate.cpp', 'src/evo/mnauth.cpp', 'src/evo/mnauth.h', 'src/evo/simplifiedmns.cpp', 'src/evo/specialtxman.cpp', 'src/governance/classes.cpp', 'src/governance/classes.h', 'src/governance/common.cpp', 'src/governance/exceptions.cpp', 'src/governance/governance.cpp', 'src/governance/object.cpp', 'src/governance/vote.cpp', 'src/llmq/chainlocks.cpp', 'src/llmq/commitment.h', 'src/llmq/context.cpp', 'src/llmq/dkgsession.cpp', 'src/llmq/dkgsessionmgr.cpp', 'src/llmq/ehf_signals.cpp', 'src/llmq/instantsend.cpp', 'src/llmq/quorums.cpp', 'src/llmq/signing.cpp', 'src/llmq/snapshot.cpp', 'src/llmq/utils.cpp', 'src/logging.cpp', 'src/masternode/meta.cpp', 'src/masternode/node.cpp', 'src/masternode/payments.cpp', 'src/masternode/sync.cpp', 'src/masternode/utils.cpp', 'src/net.cpp', 'src/netfulfilledman.cpp', 'src/qt/governancelist.cpp', 'src/qt/guiutil.cpp', 'src/qt/masternodelist.cpp', 'src/rpc/coinjoin.cpp', 'src/rpc/evo.cpp', 'src/rpc/governance.cpp', 'src/rpc/masternode.cpp', 'src/rpc/quorums.cpp', 'src/saltedhasher.cpp', 'src/spork.cpp', 'src/stats/client.cpp', 'src/test/block_reward_reallocation_tests.cpp', 'src/test/dynamic_activation_thresholds_tests.cpp', 'src/test/evo_deterministicmns_tests.cpp', 'src/test/evo_mnhf_tests.cpp', 'src/test/evo_utils_tests.cpp', 'src/wallet/hdchain.cpp', 'src/wallet/wallet.cpp', 'test/lint/lint-circular-dependencies.py' ], conflicts: [ 'src/evo/specialtxman.cpp' ] }, { number: 6666, files: [ 'contrib/seeds/makeseeds.py', 'src/evo/deterministicmns.cpp', 'src/evo/deterministicmns.h', 'src/evo/dmnstate.h', 'src/evo/ne