Fast chain syncing is not including genesis block

[shuse2]

Expected behavior

When fast chain switching, when height is less than 2 * number of validators, it should include the genesis block as well

Actual behavior

genesis block is excluded https://github.com/LiskHQ/lisk-sdk/blob/c4c0d57c9dace117901d851bbf96b166d12178ca/framework/src/engine/consensus/synchronizer/fast_chain_switching_mechanism.ts#L270

Steps to reproduce

Run 2 nodes and try to sync before 2 * number of validators height

Which version(s) does this affect? (Environment, OS, etc...)

6.0.0-alpha.14