LayaAir

fix: blur effect cause incorrect pos

style: reduce code size

fix: FrameOverTime clone error

style: standardize code formatting.(标准化代码格式)

feat:Add isDrawRenderRect support in the drawToRenderTexture2D method to control whether to draw the render rectangle(drawToRenderTexture2D方法中增加isDrawRenderRect支持，用于控制是否绘制渲染矩形)