chore(drive): skip activation fork if genesis initial core height is set

[shumkov]

Issue being fixed or feature implemented

In case if we want to have precise control on activation height we should use initial_core_chain_locked_height to override default behaviour with activation fork

What was done?

• Skip fork activation if initial_core_chain_locked_height set in Tenderdash genesis

How Has This Been Tested?

None

Breaking Changes

None

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have added or updated relevant unit/integration/functional/e2e tests
• [x] I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• [x] I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• [x] I have assigned this pull request to a milestone