test/crimson/seastore/transaction_manager_test_state: fix compilation error

test/crimson/seastore/transaction_manager_test_state: fix compilation error

Introduced in: https://github.com/ceph/ceph/commit/898efa78e2cde90a2bdf8e6f7eda1d4def736705

Followup: https://github.com/ceph/ceph/pull/53433

```
FAILED: src/crimson/tools/CMakeFiles/perf-staged-fltree.dir/perf_staged_fltree.cc.o
 error: ‘GetParam’ was not declared in this scope
  287 |     if (std::get<1>(GetParam()) == integrity_check_t::FULL_CHECK) {
      |                     ^~~~~~~~
/home/yogisha/ceph/src/test/crimson/seastore/transaction_manager_test_state.h: In member function ‘virtual seastar::future<> SeaStoreTestState::_init()’:
/home/yogisha/ceph/src/test/crimson/seastore/transaction_manager_test_state.h:439:21: error: ‘GetParam’ was not declared in this scope
  439 |     if (std::get<1>(GetParam()) == integrity_check_t::FULL_CHECK) {
      |                     ^~~~~~~~
```

Signed-off-by: Matan Breizman <mbreizma@redhat.com>