Mark unimplemented attack moves as partial

src/data/pokemon-level-moves.ts

@@ -3923,6 +3923,9 @@ export const pokemonSpeciesLevelMoves: PokemonSpeciesLevelMoves = {
   ],
   [Species.SMEARGLE]: [
     [ 1, Moves.SKETCH ],
+    [ 1, Moves.SKETCH ],
+    [ 1, Moves.SKETCH ],
+    [ 1, Moves.SKETCH ],
   ],
   [Species.TYROGUE]: [
     [ 1, Moves.TACKLE ],