Editor bug fixes (#261)

* Spaceball cleanup and small bug fix

* Replace old hit sound in spaceball

* Camera filters

* added 9 new filters, including 3 types of sepia

* oops

* remark

* normalization of fade out and fade in on filters are by 100

* GenerateFilterTypeEnum comments

* Pure black and white filter

* Zooming

* Constant playback bar offset

* Prepare box selector rewrite

* Update icons, finalize

* Bug fixes

Assets/Scripts/LevelEditor/Timeline/SpecialTmeline/TimelineObjs/SpecialTimelineObj.cs

@@ -15,11 +15,11 @@ namespace HeavenStudio.Editor.Track
         [SerializeField] private RectTransform raycastRect;
 
         private float startPosX;
-        private bool moving = false;
-
-        public bool hovering;
         private float lastPosX;
 
+        public bool moving = false;
+        public bool hovering;
+
         private void Start()
         {
             rectTransform = GetComponent<RectTransform>();