* Make `OPP_MOVESET_OVERRIDE` fully override the enemy's moveset
* Update tests with new override behavior
* Fix tests
* Fix another test
* Move overrides no longer required to be arrays
* Remove `SPLASH_ONLY` test utility variable
* Update moveset override helper functions
* Missed some tests
- remove any `.js` extension imports
- remove unncessary dynamic imports of `modifier.ts` file. The file was being imported statically & dynamically. Made it pure static
- increase vite chunk-size warning limit
Co-authored-by: Mumble <171087428+frutescens@users.noreply.github.com>