Fix 2d paint jitter for live brush

Sources/arm/render/Inc.hx

@@ -183,8 +183,8 @@ class Inc {
 			var moved = (mx != lastX || my != lastY) && (inViewport || in2dView);
 			if (moved || Context.brushLocked) {
 				Context.rdirty = 2;
-				Context.sub = 0;
 			}
+			Context.sub = 0;
 		}
 
 		if (Context.ddirty <= 0 && Context.rdirty <= 0 && (Context.pdirty <= 0 || UIHeader.inst.worktab.position == SpaceRender)) {

Sources/arm/render/RenderPathPaint.hx

@@ -291,7 +291,7 @@ class RenderPathPaint {
 		liveLayerLocked = use;
 	}
 
-	public static function commandsLiveBrush() {
+	static function commandsLiveBrush() {
 
 		var tool = Context.tool;
 		if (tool != ToolBrush &&