Fix particles effect not being able to just call play if islooped is false.

Source/Engine/Particles/ParticleEffect.h

@@ -133,7 +133,7 @@ public:
 /// <summary>
 /// The particle system instance that plays the particles simulation in the game.
 /// </summary>
-API_CLASS(Attributes="ActorContextMenu(\"New/Visuals/Particle Effects\"), ActorToolbox(\"Visuals\")")
+API_CLASS(Attributes="ActorContextMenu(\"New/Visuals/Particle Effect\"), ActorToolbox(\"Visuals\")")
 class FLAXENGINE_API ParticleEffect : public Actor
 {
     DECLARE_SCENE_OBJECT(ParticleEffect);

Source/Engine/Particles/Particles.cpp

@@ -1318,6 +1318,7 @@ void ParticlesSystem::Job(int32 index)
                     emitterInstance.Buffer = nullptr;
                 }
             }
+            effect->Stop();
             return;
         }
     }