[Move] Implement Powder (with edge case) (#3662)

* Powder basic implementation

* Add Powder integration tests

* Fix thaw test

* Use new test utils and type check function

* More edge case tests

* Make Powder (P)

* Add locale keys

* Add placeholder common anim

* Use CommonAnimPhase instead of async animation

* Add comments with new English text

* Make Powder `edgeCase` instead

* ESLint

* Fix imports

* Add `moveName` key arg for other languages

* ESLint

* Update locales

* Fix pages issues

* Update Powder explosion animation

* Update common-powder.json

* Update src/test/moves/powder.test.ts

Co-authored-by: NightKev <[email protected]>

* Remove lingering TIMEOUTs

* More test cleanup

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Co-authored-by: NightKev <[email protected]>