Fix several very silly bugs

Author: aonkeeper4

src/Components/DreamHoldable.cs

@@ -3,6 +3,7 @@
 
 namespace Celeste.Mod.CommunalHelper.Components;
 
+[TrackedAs(typeof(Holdable))]
 internal class DreamHoldable : Holdable
 {
     private static readonly MethodInfo m_Player_Pickup = typeof(Player).GetMethod("Pickup", BindingFlags.NonPublic | BindingFlags.Instance);
@@ -114,7 +115,7 @@ internal static void Unload()
 
     private static bool Holdable_Check(On.Celeste.Holdable.orig_Check orig, Holdable self, Player player)
     {
-        return (self is not DreamHoldable holdable || !holdable.AllowDreamDash || !player.DashAttacking) && orig(self, player);
+        return (self is DreamHoldable holdable && holdable.AllowDreamDash && player.DashAttacking) ? false : orig(self, player);
     }
 
     private static bool Holdable_HitSpring(On.Celeste.Holdable.orig_HitSpring orig, Holdable self, Spring spring)

src/Entities/DreamBlocks/DreamJellyfish.cs

@@ -47,12 +47,14 @@ public DreamJellyfish(Vector2 position, bool bubble, bool tutorial)
             new Hitbox(28, 16, -13, -18),
             () =>
             {
+                Sprite.Enabled = true;
                 Sprite.Flash = 0.5f;
                 Sprite.Scale = new Vector2(1.3f, 1.2f);
                 Audio.Play(CustomSFX.game_dreamJellyfish_jelly_refill);
             },
             () =>
             {
+                Sprite.Enabled = false;
                 Sprite.Flash = 1f;
                 Audio.Play(CustomSFX.game_dreamJellyfish_jelly_use);
             },
@@ -66,6 +68,10 @@ public DreamJellyfish(Vector2 position, bool bubble, bool tutorial)
             OnRelease = OnRelease,
             SpeedGetter = () => Speed,
             OnHitSpring = HitSpring,
+            SpeedSetter = delegate(Vector2 speed)
+            {
+                Speed = speed;
+            },
         });
 
         // The Dreamdash Collider does not shift down when this entity is inverted (via GravityHelper)