Sanity check suggested current moves

invalid formes can trip up gen1/2 origin encounter moves, just double
check when suggesting.

Closes #2018

PKHeX.Core/Editing/CommonEdits.cs

@@ -606,6 +606,10 @@ public static int[] GetMoveSet(this PKM pkm, bool random = false, LegalityAnalys
             int[] m = la.GetSuggestedMoves(tm: random, tutor: random, reminder: random);
             if (m == null)
                 return pkm.Moves;
+
+            if (!m.All(z => la.AllSuggestedMovesAndRelearn.Contains(z)))
+                m = m.Intersect(la.AllSuggestedMovesAndRelearn).ToArray();
+
             if (random)
                 Util.Shuffle(m);