fix mask render bug (didn't recreate bind group)

src/layout/painter.rs

@@ -1,6 +1,6 @@
 use crate::{
     layout::{
-        Axis, PrimitiveLayers, Len, Modules, Size, TextAttrs, TextBuffer, TextData, RenderedText,
+        Axis, Len, Modules, PrimitiveLayers, RenderedText, Size, TextAttrs, TextBuffer, TextData,
         TextureHandle, Textures, UiRegion, UiVec2, Vec2, WidgetId, Widgets,
     },
     render::{Mask, MaskIdx, Primitive, PrimitiveHandle, PrimitiveInst},