Decrease flashing damage animation loop

In vanilla RBY, Pokemon flash 6 times when taking damage from moves like Tackle or Fury Attack. This is really slow and sells the impact way too much, drawing out battles by a lot. I tried 3 but it looked just slightly too fast, so I went with 4.

engine/battle/animations.asm

@@ -1352,7 +1352,7 @@ AnimationBlinkEnemyMon:
 AnimationBlinkMon:
 ; Make the mon's sprite blink on and off for a second or two.
 	push af
-	ld c, 6
+	ld c, 4
 .loop
 	push bc
 	call AnimationHideMonPic

engine/debug/debug_menu.asm

@@ -93,9 +93,9 @@ TestBattle:
 
 	; Give the player a
 	; level 20 Rhydon.
-	ld a, ARTICUNO_G
+	ld a, EEVEE
 	ld [wcf91], a
-	ld a, 16
+	ld a, 10
 	ld [wCurEnemyLVL], a
 	xor a
 	ld [wMonDataLocation], a
@@ -104,7 +104,7 @@ TestBattle:
 
 	; Fight against a
 	; level 20 Rhydon.
-	ld a, ARTICUNO_G
+	ld a, CROAKOZUNA
 	ld [wCurOpponent], a
 
 	predef InitOpponent