add index build UUID to BackgroundOperationInProgress error messages

void IndexBuildsCoordinator::assertNoIndexBuildInProgForCollection(

    const UUID& collectionUUID) const {

    uassert(ErrorCodes::BackgroundOperationInProgressForNamespace,

            str::stream() << "cannot perform operation: an index build is currently running for "

                             "collection with UUID: "

                          << collectionUUID,

            !inProgForCollection(collectionUUID));

}

void IndexBuildsCoordinator::assertNoBgOpInProgForDb(StringData db) const {

    uassert(ErrorCodes::BackgroundOperationInProgressForDatabase,

            str::stream() << "cannot perform operation: an index build is currently running for "

                             "database "

                          << db,

            !inProgForDb(db));

}