fix(武器): 修正武器计数计算逻辑并调整彩虹糖属性

调整多个武器的count计算方式，移除soulLevel-1的减一操作
修改RainbowCandy的fieldValues和quality值
调整EntityBase中MAX_HEALTH的计算公式

scripts/Contents/Weapons/ChainGun.gd

@@ -3,7 +3,7 @@ extends Weapon
 
 func update(to, origin, _entity):
 	origin["atk"] += 2 * to * soulLevel
-	origin["count"] = 1 * (soulLevel - 1)
+	origin["count"] = 1 * soulLevel
 	origin["split"] /= 1 + 0.05 * to * soulLevel
 	return origin
 func attack(entity: EntityBase):

scripts/Contents/Weapons/LGBTWeapon.gd

@@ -4,7 +4,7 @@ class_name LGBTWeapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["angle"] /= 1 + 0.025 * to * soulLevel
-	origin["count"] += 1 * (soulLevel - 1)
+	origin["count"] = soulLevel + 1
 	origin["atk"] += 2 * to * soulLevel
 	origin["power"] += 0.005 * to * soulLevel
 	origin["trace"] += 0.05 * to * soulLevel

scripts/Contents/Weapons/Meowmere.gd

@@ -3,7 +3,7 @@ extends Weapon
 
 func update(to, origin, _entity):
 	origin["atk"] += 3 * to * soulLevel
-	origin["count"] = 1 * (soulLevel - 1)
+	origin["count"] = 1 * soulLevel
 	origin["childatk"] += 1.25 * origin["atk"]
 	origin["reduce"] /= 1 + 0.05 * to * soulLevel
 	return origin

scripts/Contents/Weapons/Volcano.gd

@@ -3,7 +3,7 @@ extends Weapon
 
 func update(to: int, origin: Dictionary, _entity: EntityBase):
 	origin["atk"] += 3 * to * soulLevel
-	origin["count"] += 1 * (soulLevel - 1)
+	origin["count"] = soulLevel + 1
 	origin["rotate"] += 0.05 * to * soulLevel
 	origin["life"] += 0.1 * to * soulLevel
 	return origin