Fix[MQB]: misc warnings

[678098]

blazingmq/src/groups/mqb/mqbc/mqbc_recoverymanager.cpp:1258:34: warning: comparison of integer expressions of different signedness: 'int' and 'bsl::vectorBase<BloombergLP::mqbc::RecoveryManager::RecoveryContext>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
 1258 |     BSLS_ASSERT_SAFE(partitionId < d_recoveryContextVec.size());

blazingmq/src/groups/mqb/mqbblp/mqbblp_clustercatalog.h:282:28: warning: 'BloombergLP::mqbblp::ClusterCatalog::d_stopRequestsManager' will be initialized after [-Wreorder]
  282 |     StopRequestManagerType d_stopRequestsManager;

blazingmq/src/groups/mqb/mqbblp/mqbblp_cluster.cpp:3859:40: warning: comparison of integer expressions of different signedness: 'int' and 'bsl::vectorBase<BloombergLP::mqbc::ClusterStatePartitionInfo>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
 3859 |     if (partitionId < 0 || partitionId >= partitions.size()) {

In function 'void operator delete(void*, BloombergLP::bslma::Allocator&)',
    inlined from 'void BloombergLP::mqbblp::Cluster::startDispatched(std::ostream*, int*)' at blazingmq/src/groups/mqb/mqbblp/mqbblp_cluster.cpp:223:46:
include/bslma_allocator.h:687:30: warning: '<anonymous>' may be used uninitialized [-Wmaybe-uninitialized]
  687 |     basicAllocator.deallocate(address);
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
blazingmq/src/groups/mqb/mqbblp/mqbblp_cluster.cpp: In member function 'void BloombergLP::mqbblp::Cluster::startDispatched(std::ostream*, int*)':
blazingmq/src/groups/mqb/mqbblp/mqbblp_cluster.cpp:223:46: note: '<anonymous>' was declared here
  223 |                       storageManagerAllocator)),

[bmq-oss-ci]

Build 308 of commit 3b9c381 has completed with FAILURE

[kaikulimu]

lgtm