[Bug] Player pokemon shouldn't generate an NPC moveset (#3356)

* Player pokemon shouldn't generate an NPC moveset

* Make sure Keldeo starts new runs in the correct form

src/field/pokemon.ts

@@ -3222,7 +3222,7 @@ export class PlayerPokemon extends Pokemon {
     }
 
     if (!dataSource) {
-      this.generateAndPopulateMoveset();
+      this.moveset = [];
     }
     this.generateCompatibleTms();
   }

src/phases.ts

@@ -642,6 +642,10 @@ export class SelectStarterPhase extends Phase {
       this.scene.arena.init();
       this.scene.sessionPlayTime = 0;
       this.scene.lastSavePlayTime = 0;
+      // Ensures Keldeo (or any future Pokemon that have this type of form change) starts in the correct form
+      this.scene.getParty().forEach((p: PlayerPokemon) => {
+        this.scene.triggerPokemonFormChange(p, SpeciesFormChangeMoveLearnedTrigger);
+      });
       this.end();
     });
   }