[P2] HA Giratina no longer loses HA when going from origin->altered

[Tempo-anon]

What are the changes the user will see?

A HA Giratina that goes from altered->origin and then origin->altered will keep its HA

Why am I making these changes?

#589

What are the changes from a developer perspective?

Changed Origin Giratina's HA to LEVITATE instead of NONE

Screenshots/Videos

n/a

How to test the changes?

const overrides = {
  STARTER_SPECIES_OVERRIDE: Species.GIRATINA,
  STARTING_LEVEL_OVERRIDE:1000,
  STARTING_WAVE_OVERRIDE: 196,
  ITEM_REWARD_OVERRIDE: [{name:"FORM_CHANGE_ITEM"}, {name: "RARE_FORM_CHANGE_ITEM"}],
}

Checklist

• I'm using beta as my base branch
• There is no overlap with another PR?
• The PR is self-contained and cannot be split into smaller PRs?
• Have I provided a clear explanation of the changes?
• Have I tested the changes manually?

• Are all unit tests still passing? (npm run test:silent)
  • Have I created new automated tests (npm run create-test) or updated existing tests related to the PR's changes?
• Have I provided screenshots/videos of the changes (if applicable)?
  • Have I made sure that any UI change works for both UI themes (default and legacy)?

Are there any localization additions or changes? If so:

• Has a locales PR been created on the locales repo?
  • If so, please leave a link to it here:
• Has the translation team been contacted for proofreading/translation?